One important concept in this regard is Najasah, often translated as "impurities" or "uncleanliness." Understanding what najasah means and how Islam teaches us to deal with it can deepen our appreciation of the religion's wisdom. In this article, we'll explore what the Quran and Hadith say about impurity and cleanliness, the types of impurities in Islamic law, and the wisdom behind these teachings. By the end, you'll see how Islam's guidance on cleanliness showcases its truth, beauty, and practical benefit to our lives.
Understanding Purity (Tahara) and Impurity (Najasah)
In Islamic terminology, najasah (impurity) refers to specific substances or states that are considered unclean and must be avoided or cleansed before certain acts of worship (like prayer). Its opposite is taharah (purity), meaning cleanliness or purification. The Arabic word najasah (نَجَاسَة) comes from a root meaning "to be filthy or unclean." Classical scholars explain najasah as "everything which people of sound nature consider dirty and would wash off if it got on them", things like urine or feces that we naturally regard as gross and harmful. In contrast, taharah (طَهَارَة) means to be clean, both physically and spiritually.
Islam recognizes two broad categories of impurity:
- Physical Impurity: This is actual tangible filth (najasah) that might get on one's body, clothing, or environment - for example, excrement on clothing or a splash of blood. A Muslim must remove these impurities by washing or cleaning the affected area before praying or touching the Quran.
- Ritual Impurity: This refers to an intangible state one enters due to certain acts (like using the bathroom, sexual intercourse, or for women, menstruation). In these cases, a person isn't "dirty" in the physical sense, but they need a specific purification (like wudu (ablution) or ghusl (full bath)) to be in a state of cleanliness before performing acts of worship.
It's important to note that Islam encourages general cleanliness at all times - bathing regularly, wearing clean clothes, and keeping our surroundings clean. In fact, the Prophet Muhammad (ﷺ) said: "The key to prayer is purification" (Sunan Ibn Majah), meaning one cannot properly pray without first cleansing oneself. Everyday habits like washing hands, rinsing the mouth, and cleaning after using the toilet are all part of Islamic life. This not only prepares one for worship but also promotes good hygiene and health.
Islam's default rule is that everything is pure unless proven otherwise. This principle means that we don't consider something impure without clear evidence from the Quran or authentic teachings. Allah does not burden us by declaring things filthy arbitrarily. Only those things which clearly carry harm or were explicitly called impure by Islamic teachings are treated as najasah. For example, clean water, foods, and most everyday materials are considered pure (tahir) by default. When someone claims something is impure, they must show proof from scripture or sound scholarship. This reasonable approach protects us from superstition and undue hardship, we stick to the proven guidelines.
Quranic Emphasis on Purity and Cleanliness
The Quran, which Muslims believe is the word of Allah, places a strong emphasis on purity and cleanliness. There are numerous verses highlighting the importance of staying clean and avoiding impurity. Here are some key Quranic teachings related to najasah (impurities) and taharah (purification), each presented in a quote with its reference:
Indeed, Allah loves those who are constantly repentant and loves those who purify themselves. (Quran 2:222) And your garments purify. (Quran 74:4)
These verses show that purification is not only about physical cleanliness but also about spiritual purity. In Quran 2:222, Allah links seeking forgiveness with keeping clean, indicating that a pure soul and a pure body go hand in hand. In Quran 74:4, one of the earliest revelations, Allah directly commands the Prophet Muhammad (ﷺ) to keep his clothing clean. This early instruction set the tone for the importance of hygiene in Islam.
One of the most important verses about physical purification is the verse of wudu (ablution) and ghusl:
O you who believe! When you rise to [pray], wash your faces and your forearms to the elbows, wipe over your heads, and wash your feet to the ankles. If you are in a state of full impurity (janabah), then purify yourselves [with a full bath]. But if you are ill or on a journey or one of you comes from relieving himself or you have contacted women (sexual intercourse) and find no water, then seek clean earth and wipe over your faces and hands with it. Allah does not intend to burden you, but He intends to purify you and complete His favor upon you, that you may be grateful. (Quran 5:6)
This verse lays out the procedure for ablution (wudu), washing certain body parts, which Muslims perform before prayers. It even gives the contingency plan (tayammum, dry ablution with clean soil) when water isn't available. Notice that Allah clearly says He doesn't want to burden us, "but to purify you". Purity is seen as a gift and blessing, not a pointless rule. Our acts of washing are acts of worship and gratitude.
Another verse addresses major ritual impurity (for example, after marital relations or for women after menstruation):
O you who believe! Do not approach prayer while you are intoxicated until you know what you are saying, nor while in a state of janabah, except when passing through, until you have bathed. And if you are ill or on a journey, or one of you has relieved himself, or you have been intimate with women, and you cannot find water, then perform tayammum with clean earth... (Quran 4:43).
This reinforces that janabah (major ritual impurity) bars a person from prayer until they perform ghusl, or tayammum when water cannot be used or found. The phrase "except when passing through" is commonly explained by mufassirun as passing through a mosque without remaining there while in janabah; some scholars also discuss the traveler in connection with the tayammum concession that follows. In all readings, the verse ties purity directly to salah (prayer) and shows that worship is approached with respect, focus, and cleanliness.
The Quran also mentions specific impure substances that Muslims must avoid. For instance, certain foods are forbidden because they are deemed impure or harmful:
Say, 'I do not find in what has been revealed to me anything forbidden to eat for one who wishes to eat it, unless it be carrion (something dead), or spilled blood, or the flesh of swine - for indeed, it is impure (rijs) - or a sinful offering over which a name other than Allah was invoked…' (Quran 6:145).
Here, the flesh of swine is called rijs in the Quran, and spilled blood and carrion are also forbidden. Many jurists use this and other evidence when discussing physical najasah, while also noting that the Quran sometimes uses rijs for moral and spiritual filth, not only tangible dirt. The primary reason for avoiding these things is obedience to Allah; possible health harms may be part of the wisdom, but the ruling does not depend on proving a medical reason in every case. Intoxicants are called "rijsun min 'amal al-shaytan" - "filth from the work of Satan" - in Quran 5:90. The classical majority treated liquid intoxicants as physically impure, while a minority understood the impurity there as moral rather than physical. Either way, a conscientious believer avoids what Allah has prohibited.
There is even a verse that describes the polytheists (idol-worshippers) of Makkah as "najasun" (impure or unclean) in a certain context:
O you who believe! Indeed the polytheists are impure (najis), so let them not approach the Sacred Mosque after this year of theirs. (Quran 9:28)
This verse was revealed after Makkah came under Muslim rule, instructing that idolaters should no longer enter the Holy Sanctuary (Ka'bah) area. Scholars explain that the impurity referred to here is mainly spiritual impurity, their hearts and beliefs were polluted by shirk (idolatry). It doesn't mean they had cooties or physical filth on them; rather, their lifestyle and beliefs made them unfit for the sacred space at that time. Interestingly, classical commentators like Imam Raghib al-Isfahani noted that najas (impurity) in Arabic covers three levels:
- Physical impurity (like actual dirt or waste that everyone finds repulsive),
- Legal impurity (a state requiring purification, like needing ablution or bathing),
- Spiritual impurity (corruption of the heart or belief).
In this verse, the strongest and safest explanation is that the impurity is primarily spiritual and legal: shirk is a grave impurity of belief, and those practicing it were barred from approaching the Sacred Mosque in that context. It should not be understood to mean that every non-Muslim body is physically najis. Muslims dealt with non-Muslims in trade and daily life, the Quran permits food of the People of the Book and marriage to chaste women from them, and the majority of scholars did not treat their bodies as intrinsically filthy. The verse therefore protects the sanctity of the Haram from idolatrous worship and practices, while also reminding believers that inner purity is even more important than outward cleanliness.
On a more positive note, the Quran also praises communities for their cleanliness. When the first mosque of Islam was built in Quba (near Madinah), Allah revealed:
Within it are men who love to purify themselves; and Allah loves those who purify themselves. (Quran 9:108)
This verse impressed the Prophet's companions. It is reported that the Prophet Muhammad (ﷺ) inquired from the people of Quba what they were doing to earn such praise. It turned out that those believers had a habit of cleaning themselves with water after relieving themselves, in addition to using dry means. This thorough cleanliness was somewhat uncommon among others at the time, so Allah commended them for it. Imagine their honor, being praised in the Quran for their hygiene! This story encourages us that even simple acts of keeping clean can become acts of worship that Allah loves.
Finally, Allah reminds us of His favor in providing means of purification. Even natural elements like water are described as purifying gifts:
[Remember] when He sent down rain from the sky to cleanse you and remove from you the filth of Satan, and to strengthen your hearts and plant your feet firmly. (Quran 8:11) And We sent down water from the sky, [pure] water purifying (you). (Quran 25:48)
These verses show that rain (a simple thing we experience often) is actually a blessing that purifies the land and us. The first verse (8:11) refers to an incident where rain gave the Muslim army both physical cleanliness (they could wash and quench thirst) and spiritual confidence before battle. The second (25:48) simply states that the water Allah sends is purifying (tahuran) by nature. In Islam, water is considered the ultimate purifying substance, nearly all forms of cleansing in Islamic law use water as the primary means to wash away impurities.
In summary, the Quran establishes that: Allah loves purity, He commands us to clean ourselves for worship, He identifies certain impure things to avoid, and He provides the tools (like water and even clean earth) to maintain cleanliness. This Quranic foundation sets the stage for the Prophet's teachings on the practical aspects of dealing with najasah.
Teachings of Prophet Muhammad (ﷺ) on Impurities (Najasah)
Prophet Muhammad (ﷺ) deeply embodied and taught the values of cleanliness and purity in daily life. His sayings and actions (the Hadith and Sunnah) give us a clear, practical roadmap for what is considered najis (impure) and how to purify it. Let's look at some authentic Hadiths that directly relate to najasah and its purification. Each of these is in a quote block for clarity:
Purity is half of faith… (Sahih Muslim)
This hadith is profound in its simplicity. By saying "purity is half of iman (faith)," the Prophet (ﷺ) highlighted that being clean and pure is a fundamental part of being a believer. Think about it: we cannot even begin our prayers (the central act of worship) unless we are in a state of cleanliness. This hadith motivates Muslims to always be in a state of purity, not only for prayer but as a general lifestyle. It's also a reminder that physical cleanliness and spiritual purity go together. When we make wudu (ablution), we're not just washing dirt off our skin, we are also washing away minor sins and refreshing our spirit. In another narration, the Prophet (ﷺ) said, "The key to Paradise is prayer, and the key to prayer is purification." (Sunan Ibn Majah). So taharah (purification) unlocks the ability to pray, which in turn, by Allah's mercy, unlocks Paradise.
The Prophet Muhammad (ﷺ) taught Muslims specific guidelines on how to remain clean and how to remove impurities. Here are some important examples and the lessons behind them:
A Bedouin came and urinated in the mosque. The people rushed to stop him, but the Prophet (ﷺ) said, 'Leave him (be), and do not interrupt him.' When he finished, the Prophet (ﷺ) asked for a bucket of water and poured it over the urine. Then he gently told the Bedouin, 'These mosques are not for any kind of filth. They are only for remembering Allah, praying, and reciting Quran.' (Hadith - Sahih Bukhari & Muslim).
In this famous incident, we see the Prophet's wisdom and mercy. A Bedouin (desert Arab who might not have known the mosque etiquette) began to urinate on the floor of the Prophet's Mosque in Madinah! The companions were shocked and some stood up to scold or stop him. But the Prophet (ﷺ) prevented them from reacting harshly. He allowed the man to finish first, to avoid causing a bigger mess or hurting the man. Then, with a simple action, he demonstrated how to clean the impurity, by pouring water over it. The urine was thus diluted and washed into the ground, removing the najasah. After that, the Prophet kindly educated the man that mosques are sacred places meant to be kept clean.
This story is very telling of Islam's approach: yes, impurity must be cleaned, but with wisdom and gentleness. The Prophet (ﷺ) did not shame the ignorant Bedouin; instead, he taught him. It also shows that water is the go-to purifier for liquid impurities. The companions learned in that moment that a simple dousing with water purifies the ground from urine. This rule is applied in our lives too, if a child has an accident on the carpet, or we spill something najis on the floor, flushing it with clean water until the traces disappear is sufficient.
Another hadith guides us on how to handle clothing that has impurity:
Asma' bint Abi Bakr related that a woman came to the Prophet (ﷺ) and asked, 'If menstrual blood gets on one's clothes, what should she do?' He replied: 'She should scrape it off, rub it with water, then wash it, and then she can pray in it.' (Hadith - Sahih Bukhari).
Menstrual blood is treated by the jurists as najasah that must be washed from the body, clothing, or prayer area. The Prophet's instruction was practical: remove the substance as much as possible, rub the affected area with water, and then wash it. If a faint color stain remains after serious effort and would be difficult to remove, it is excused according to the jurists; the garment may be used for prayer. However, the substance of the blood and its odor should be removed when reasonably possible, because a remaining smell usually indicates that the impurity itself has not yet been fully cleaned. This teaches two balanced lessons: we make a real effort to remove najasah, but we do not fall into hardship or waswas over a stubborn trace that remains after genuine washing.
A similar teaching exists for other stubborn impurities. The Prophet (ﷺ) gave guidance about cleaning a container licked by a dog:
If a dog drinks from the vessel of anyone of you, let him wash it seven times, the first time with earth. (Hadith - Sahih Muslim & Bukhari).
In Islam, dogs are not hated; the Sunnah allows their use for needs such as hunting, guarding, and similar lawful purposes. The hadith gives a special rule for a vessel from which a dog has drunk or licked: it is washed seven times, with one washing involving earth according to the wording found in authentic narrations. The Shafi'i and Hanbali schools apply this very strictly and require the earth-wash as part of purification. The Hanafi school treats dog saliva as najis but does not generally make seven washes with earth a condition in the same way; it focuses on removing the impurity according to its principles. The well-known Maliki position is different again: the living dog, including its saliva, is not considered physically najis, and the command to wash the vessel is treated as a special devotional instruction or a matter specific to vessels. Soap and detergent may help remove dirt and odor, but where a school requires earth, one should not casually replace it with soap unless following a qualified scholarly view. The safest lesson is to follow the hadith carefully while recognizing the valid ikhtilaf among the Sunni schools, without turning the ruling into an exaggerated scientific claim.
On the other hand, not every animal is treated the same as the dog. The Prophet Muhammad (ﷺ) made distinctions. For example, about cats, he said:
It (the cat) is not impure; it is among those (creatures) that roam around you. (Hadith - Abu Dawud, Tirmidhi).
This was said when a cat drank from a vessel of water that a companion was going to use for ablution. Seeing the man's surprise, the Prophet (ﷺ) assured him that cats are clean animals in the household context. Their saliva, unlike a dog's, is tolerated and not considered najis. This hadith has been a relief for Muslims, many of whom keep cats as pets. We can pet them, let them drink from our bowls, and live alongside them without worry. The Prophet (ﷺ) explicitly allowed using the same water a cat lapped up for making wudu. This makes an important point: Islam isn't about obsessive purity that makes life hard, it's about sensible cleanliness. Cats generally keep themselves clean and pose little harm, so Islam does not classify them as impure. In fact, some companions of the Prophet were known for their love of cats (one famous companion was nicknamed "Abu Hurayrah", father of kittens, because of his pet cat!).
Another practical hadith concerns our footwear and the ground we walk on:
If any of you steps on filth (impurity) with his shoes, then the soil will purify them. (Hadith - Abu Dawud).
According to this teaching, if you unknowingly step in something impure (say a nasty puddle or some animal dropping) you don't have to throw your shoes away. The Prophet (ﷺ) said simply rubbing the shoes on clean earth will remove the impurity. In practice, one can scrape or rub the soles on the ground, or wash them off with water if available. Once the visible impurity is gone, the shoes are considered clean for prayer. This shows the balance in our religion: yes, we must avoid najasah, but we're not expected to be overly paranoid. Earth itself is a purifier (dry earth can absorb or scrape off filth). Even in the mosque, early Muslims would sometimes pray in their sandals (the floors were dirt in those days), and they would remove them only if they noticed some filth on them. This flexibility made it easy especially in a time when streets were not as clean as today. The principle for us is: remove the obvious impurity and you're good to go. Don't over-complicate cleanliness with OCD-like behavior, Allah wants ease for us.
Let's touch on a personal hygiene point from the Sunnah: the Prophet (PBUH) distinguished between the urine of a milk-fed infant boy and that of a girl in a specific ruling. In authentic narrations, the urine of a baby boy who has not begun eating regular food is purified by sprinkling water generously over the affected area, while the urine of a baby girl is washed. Scholars discussed possible wisdoms, but these explanations remain secondary; the ruling is followed because it is established from the Sunnah, not because boys are superior or because every medical reason is known. Sprinkling here does not mean a symbolic drop of water - it means wetting the affected area sufficiently so that the concession is fulfilled. Washing both is also valid and often easier today, but the hadith shows the mercy and detail of Islamic law in everyday family life.
Yet another example from the Prophet's Sunnah is the ruling on tanned hides. The Prophet (PBUH) said in an authentic hadith: "When a hide is tanned, it becomes pure." This is reported in Sahih Muslim and other collections with related wordings. The basic meaning is that tanning can purify the hide of a dead animal, while the meat of carrion remains forbidden and is not made lawful by tanning. Jurists differed over the exact scope: many allow the use of tanned hides of animals that are not intrinsically excluded, while pig skin is excluded by the majority, and some schools also exclude dog skin or restrict certain uses. The broader principle of istihalah (a complete transformation of a substance) is also discussed by jurists, but it is not applied identically in every madhhab. So the rule should be presented with its nuance: tanning is a specific text-based purification for hides, and other cases of transformation are judged case by case.
From all the hadith above and many others, Muslims learn the following key principles about najasah:
- Identify and avoid known impure things (like bodily waste, blood, carrion, pork, intoxicants, etc.).
- If impurity contacts you (body, clothes, place of prayer), clean it - usually with water - until it's removed.
- Use water generously for purification; if water is not available, use clean earth or similar methods when allowed.
- Be thorough but not excessive - clean off the impure substance itself, and you don't have to over-scrub beyond that. A faint stain left after genuine washing is excused.
- Certain heavy impurities have special rules (e.g., dog saliva - multiple washes with one involving dust; pig-related impurity is treated severely as well).
- Mercy and ease - don't scold someone who made a mistake involving impurity; teach them kindly. And don't burden yourself with unreasonable standards beyond what Allah set.
- Purity brings spiritual reward - doing these acts with the intention to please Allah turns them into worship. The Prophet (ﷺ) said that when a Muslim makes ablution, every drop of water that falls carries away sins with it. Keeping clean isn't just healthy - it purifies our soul and earns Allah's love.
Types of Impurities in Islamic Law
Islamic scholars, basing their understanding on the Quran and Hadith, have identified various types of impurities (najasat) that Muslims should be aware of. Here is an overview of the most commonly discussed impurities and some notes on each. Having this clear list helps a Muslim know what to avoid or clean if it comes in contact with them:
Human waste (urine and feces): Urine and stool are najis by unanimous agreement. This applies to human waste and that of most animals. We are taught to wash thoroughly after using the toilet (hence the Muslim practice of istinja, cleaning the private parts with water). Failure to clean urine, in fact, was mentioned as a cause of punishment in the grave in one hadith - underscoring its seriousness. Tip: Always rinse any drops of urine or traces of feces off your body/clothes. If a small amount gets on clothing or the floor, wash it with water until it's gone. (The exception, as noted earlier, was the light concession for baby boys' urine by sprinkling water when they are only milk-fed.)
Blood (flowing): Blood that pours forth from a wound or slaughter is considered impure. Dried blood or tiny spots (like from a pinprick) are usually excused by necessity. Menstrual blood is definitely impure - women must wash any clothing or area it touches. If you get a nosebleed that drips on your clothes, you should rinse that area out. A small amount of blood is sometimes excused, especially if it's difficult to avoid (e.g. a leaky wound), but one should remove it if possible. The Hanafi scholars even gave a measurable threshold: if the area of blood on clothing is more than roughly the size of a coin (about 3 cm in diameter), you must wash it before praying; if it's smaller, the prayer is still valid though cleaning it is better. Other schools didn't give an exact size but share the common-sense approach - minor spots that are very hard to completely avoid can be overlooked by Allah's mercy. Still, the ideal is to be free of any blood when praying.
Carrion (dead animal flesh): An animal that dies without proper Islamic slaughter (or hunting) is considered maytah (carrion) and is impure. One shouldn't eat it or intentionally use its parts (except as mentioned, tanning the hide). If such dead meat or blood from it contacts you, wash it off. This is directly from the Quran (as seen in 6:145 above). The logic can be both spiritual (Allah forbade it as a test of obedience) and physical (unslaughtered carrion decays and can harbor disease). Note: Fish and locusts are exempt from this rule - even if they die on their own, they are halal and not impure, by specific hadith allowances. Also, the bones and hair of animals (like a bone from a carcass) are not considered impure by many scholars because they carry no blood once dried; but as a precaution, most avoid them unless tanned or cleaned.
Pork (swine): The flesh of swine is categorically forbidden by the Quran. The majority of jurists, including the relied-upon positions of the Hanafi, Shafi'i, and Hanbali schools, also treat the pig and its parts as najis. The well-known Maliki approach is more nuanced regarding the living animal, because Malikis generally treat living animals as physically pure, while still holding pork consumption to be absolutely haram. If actual pork, pig fat, blood, or wet pig-derived impurity gets on the body, clothing, or a prayer area, it should be washed away. There is no separate authentic hadith giving a pig-specific seven-wash procedure. Some jurists, especially in schools that classify pig impurity as very heavy, analogize it to the dog and require seven washes with earth; others require washing until the impurity is removed without fixing that number. The bottom line is clear: a Muslim does not eat pork, avoids swine-derived najis substances, and cleans affected areas according to the fiqh they follow.
Intoxicating beverages (wine, etc.): Are alcoholic drinks physically impure? The classical majority of jurists, including the relied-upon views of the four Sunni schools, treated wine and liquid intoxicants as najis; according to that view, if wine or beer spills on clothing or the prayer area, it should be washed before prayer. A minority of earlier and contemporary scholars understood the Quranic word rijs in Quran 5:90 as moral and spiritual impurity rather than physical najasah, while still holding intoxicants to be strictly haram to drink, sell, or assist in sin. Modern products require care: denatured alcohols, perfumes, sanitizers, medicines, and industrial alcohols are not always identical to drinkable khamr in fiqh analysis, so contemporary fatwas differ. A balanced approach is to avoid intoxicating drinks completely, clean spills if following the majority view or to be cautious, and ask qualified scholars about medicines, sanitizers, perfumes, or workplace situations.
Dogs (saliva, etc.): Dogs are not "evil" in Islam; authentic hadiths mention mercy to dogs and allow keeping them for valid needs such as hunting, guarding, and farming. The famous seven-wash hadith specifically concerns a vessel licked or used by a dog. The Shafi'i and Hanbali schools extend the heavy purification rule to dog saliva and related wet contact, requiring seven washes with one involving earth. The Hanafi school treats dog saliva as najis but generally purifies it according to its normal rules for najasah rather than making the Shafi'i-style seven washes a universal condition. The Maliki school famously regards the living dog as physically pure, including its saliva, while still giving weight to the hadith about washing vessels. Dry dog hair is not treated the same by all schools, and wet contact is where the main practical disagreements arise. A Muslim should follow a reliable madhhab or scholar, avoid unnecessary hardship, and remember that caution about dog saliva is a purity issue, not hatred of the animal.
Other animals and by-products: The urine and dung of animals whose meat is not lawful to eat - such as predators and domestic donkeys - are generally treated as impure and should be cleaned. As for the urine and dung of animals whose meat is halal, such as camels, cows, sheep, and goats, the schools differ: the Shafi'i school generally treats all animal urine and feces as najis; the Maliki and Hanbali schools generally regard the urine and dung of edible animals as pure; the Hanafi school has its own distinctions, often treating some of these as a lighter impurity. This difference is connected to evidence such as the Prophet's permission for people to drink camel milk and urine in a specific medical incident, and reports about praying in sheep pens. Bird droppings also have detail: droppings of birds that are widespread and difficult to avoid, such as pigeons in open courtyards, are treated leniently by some jurists, while other schools still classify them as najis but excused in small or unavoidable amounts. Fish and sea creatures have separate rulings, and their ordinary fluids do not create the same najasah concerns as land carrion. The practical rule is: clean obvious filth when you can, but do not turn unavoidable animal traces into waswas.
Discharges: Other human discharges like vomit (if it's a significant amount) are considered impure by most scholars. Pus from wounds is usually treated as impure if substantial. Madhy (pre-seminal fluid), which is a light sticky fluid that can exit when aroused, is considered impure and one should wash it off and do ablution (wudu) if it happens (it doesn't require a full bath, unlike semen emission). Wady, a thick white secretion sometimes after urination or heavy lifting, is also impure and similar to urine in ruling - wash it off and do wudu.
Exceptions and special cases: There are some fascinating leniencies - for instance, if you only have a tiny amount of water, you prioritize drinking over washing a bit of dirt. Or if removing some impurity would cause great harm (like scrubbing a wound harshly), you leave it until you can safely clean. Islam is practical: necessity can relax certain rules. But those are rare cases. Generally, water is widely available to us today, so there's little excuse to ignore cleanliness. Another special case: the earth (soil) of the ground itself, dust, etc., is pure and even can be a purifier (for tayammum). So if some dust or mud gets on you, it's not najis unless you know that mud was mixed with something impure. This means you don't have to freak out about normal dirt or mud - you can pray with dusty clothes if needed (though cleanliness is better).
To sum up: the scope of najasah covers obvious gross things like waste and blood, as well as some less-obvious things like alcoholic beverages or dog saliva due to textual evidence. But everything is not najis, far from it. Most things in life (foods, drinks, people, plants, etc.) are pure. Islam just pinpoints these specific areas to keep us physically safe and spiritually mindful. It trains us to be aware of hygiene and to have discipline before we stand in prayer.
How to Purify Impurities: Islamic Methods of Cleaning
Knowing what is impure is one side of the coin; knowing how to purify is the other. Islam doesn't just label things najis and leave us guessing, it provides clear methods to clean and purify so that we can return to a state of taharah. The methods are simple, natural, and effective. Here are the main ways to remove najasah, along with practical tips:
Water - the ultimate purifier: Water is life, and in Islam, water cleans impurity in almost every case. Whether it's clothes, floors, or your body - washing with clean water until the impurity is gone is the default method. The Prophet (ﷺ) said, "Water is purifying and nothing makes it impure." This refers to natural water (rain, river, well water) as long as its taste, color, or smell hasn't been changed by filth. For personal hygiene, Muslims traditionally use water after using the toilet (which astonishes some who are used to only dry toilet paper). Washing with water ensures that no impurity remains. For laundry, if a garment has najasah, you either hand-wash that spot or toss it in the washing machine - the water and detergent will remove the filth. One washes until the impurity is gone: that could be one time or several times. There is no fixed number of washes required for most impurities; the rule is wash it until it's clean. For example, if a bit of blood fell on your shirt, you'd rinse and scrub it maybe once or twice until you see no trace of blood. If a potty accident happened on a rug, you might need a couple of buckets of water and some scrubbing. Use your judgment - purity is achieved when the visible/odor traces of impurity are no more. If some stain remains that's hard-set, as we said, that's excused after honest cleaning attempts.
Removing solids first: If the impurity is something solid (feces, vomit chunks, etc.), the first step is to physically remove or wipe up the bulk of it before washing. There's wisdom in this - it makes cleaning easier and more effective. For example, in the hadith of the Bedouin in the mosque, if there were feces, one would pick that up first then pour water. You don't just start pouring water on solid filth because that could spread it. So, if dealing with pet droppings or similar, pick up and throw away the solids (using a tissue or glove) then douse and scrub the area with water. For clothing, if a clump of impurity is stuck on, scrape it off (as the Prophet told about menstrual blood). Once that's done, proceed to wash normally.
Soap and cleaning agents: Soap wasn't specifically mentioned in early texts only because people in the desert often used plain water (and sometimes clay or sand) to scrub. But using soap, detergent, or cleaning solutions is perfectly in line with Islamic aims - they help remove impurity effectively. The goal is to purify, so by all means, use a bit of laundry detergent on that blood stain, or use disinfectant on that toilet area. Those are modern "enhancers" of water. They don't replace water generally (for instance, just spraying perfume on a urine stain won't purify it, it'll just mask smell). But combined with water or in the washing process, they're great. It would also be correct to say that if an impurity was removed completely by some agent and nothing remained, the item is pure - but usually that involves water at some stage anyway. In ritual terms, only water (or earth) is explicitly named as purifiers. So we always finish off with a water rinse even if we used some cleaner earlier.
Drying and sunlight: What if you can't wash something easily? There is a concept that drying can purify certain things. For example, if the ground (soil) is impure and you cannot pour water, the sun and natural processes can cause the impurity to disintegrate and the ground becomes considered pure once the traces vanish. Some scholars say if you have no way to clean a garment, leaving it out in the sun and air until the impurity evaporates or is completely eaten away may count (though this is not the ideal; washing is best). Another example: the Prophet (ﷺ) and companions sometimes would step in unknown spots with sandals - if there was anything, the dust itself by continuous walking would rub it off, and when it dries, it's gone. However, for things like clothes or utensils, we should not rely on sun alone if water is available; these are more theoretical allowances.
Earth/soil as a purifier: As strange as it sounds to some, clean earth or soil itself has a purifying quality in Islam. We see this in two cases: using soil to clean the dog-licked vessels, and performing tayammum (dry ablution) with earth for the body when water is absent. Soil has absorbent and scrubbing properties. It can remove things like grease or saliva effectively when combined with a bit of moisture. In the old days, if someone didn't have soap, they might use a bit of clay to scrub off stubborn impurities. We can think of soil as a mild disinfectant too - it contains organisms that can neutralize certain bacteria. So, using dust/earth in one of the seven washes for dog saliva is both following the hadith and possibly achieving a deeper clean. For us today, if we had to clean dog saliva off a garment, for example, one could rub a bit of wet soil on the spot, rinse, then wash with detergent thoroughly several times. If using a washing machine, you might hand-scrub with a bit of soil first then put it in the machine. It's the spirit of obedience more than anything - but again, science shows soil has cleaning properties (some components in soil are used in cleaning and filtration systems!).
Changing states (Transformation): We touched on this earlier with tanning leather and wine turning into vinegar. The principle of istihalah - a complete transformation from one substance into another - is recognized by many jurists, but its scope is disputed. Wine that turns into vinegar by itself is generally treated as pure and permissible, because the intoxicating quality has disappeared; deliberately processing wine into vinegar is discussed separately. Hanafis and Malikis are often broader in accepting complete transformation, while Shafi'is and Hanbalis are usually more restrictive except in cases supported by specific evidence. Modern questions about gelatin, soaps, chemicals, and industrial ingredients therefore need case-by-case fatwa, not a blanket statement that every chemical change automatically purifies.
Purifying the ground: If najasah falls on open ground, the hadith of the Bedouin shows that pouring water over it can be sufficient. On soil, one may also remove the soiled top layer or cover it with clean earth if that removes the traces. Some jurists also hold that fixed ground or similar fixed surfaces can become pure when the impurity has fully disappeared through drying, sun, wind, or passage of time; others prefer or require washing when possible. On tiles, concrete, or indoor floors, wiping up the substance and then washing or mopping until no trace remains is the safest practical method.
Purifying clothing and fabrics: For clothes, the main requirement is to wash the affected area until the impurity is removed. You do not have to wash the entire garment if only one spot is affected, though doing so is fine. The established examples from the Sunnah include washing menstrual blood and sprinkling the urine of a milk-fed infant boy; one should not attribute unrelated details, such as a special ruling for baby vomit or milk spit-up, to the Prophet (PBUH) without a reliable report. Vomit, spit-up, and similar matters have their own fiqh details and should simply be cleaned if they are substantial or offensive. For leather or delicate fabrics, use a cleaning method that actually removes the najasah without ruining the item; if impurity remains and cannot be cleaned, avoid using it for prayer until it is purified. Dog saliva on fabric should be handled according to the school one follows, as explained above.
Purifying body parts: If your skin gets impurity on it (like a splash of urine or blood), just wash that part with water and soap. For thick impurities stuck on (like feces), wipe them off first then wash. It's straightforward. We already have built-in habits of washing hands, etc., in wudu. If one stepped in something barefoot, wash the foot. It's common sense, but done with intention it also counts as seeking purity for Allah's sake.
One might ask: How clean is "clean"? The answer: as long as there is no visible, smellable, or tangible trace of the impurity, it is considered clean. You don't need a microscope or UV light to check! Islam came in a time without such things and set a reasonable standard observable by normal senses. This means you don't drive yourself crazy if you think "maybe a molecule remains", if you washed it in the way people normally consider clean, it's clean in Allah's law.
It's also interesting that Islam classifies impurities with different levels of severity:
- Some are considered light (e.g., a baby boy's urine as mentioned, or the droppings of halal birds) - easier rules for cleaning.
- Most are normal or medium - just wash it off.
- A few are heavy (like dog and pig) - requiring extra steps or emphasis.
This categorization shows that the Sharia (Islamic law) is nuanced and wise. It doesn't treat a drop of urine the same as a whole pile of filth, and it doesn't treat a little bird's dropping the same as a carnivore's dung. Scholars like those of the Hanafi school used terms like najasat ghaleeza (major impurity) and najasat khafeefa (minor impurity) to organize some of these details. The practical benefit is to know what warrants more effort versus what is a quick fix. Regardless, a good Muslim tries to avoid all forms of impurity out of love for cleanliness.
Wisdom and Benefits of the Emphasis on Cleanliness
You might wonder, "Why does Islam put so much stress on cleanliness and purity? Isn't it a bit much sometimes?" In truth, once you understand the wisdom and benefits behind these rules, you start to appreciate the beauty of it. Here are some key points that highlight why Islam's view on najasah and taharah is not only spiritually meaningful but also logically and even scientifically sound:
Spiritual readiness: By requiring physical purification for prayer, Islam conditions us to approach Allah in a state of reverence and respect. When you make wudu or take a ghusl (bath) after being impure, you are mentally preparing and refreshing yourself for worship. It's similar to how one would wear clean, appropriate clothes to meet a respected person - here you cleanse to stand before the King of All Worlds in prayer. This creates a mindful, humble attitude. It also creates a barrier to laziness or negligence; one cannot just pray anytime in any sloppy state. That little step of cleaning ensures you pause and acknowledge, "I am going to do something important now." It elevates prayer from a casual act to a deliberate one. This is a theological benefit: God is Pure and loves purity, and we symbolically remove dirt and sin before coming to Him.
Physical health and hygiene: The rules of taharah also support ordinary hygiene. Washing after using the toilet, washing exposed limbs in wudu, cleaning blood and waste promptly, and protecting shared water sources are all practices that reduce dirt and likely reduce many health risks. Still, Islamic rulings are not based on modern laboratory claims; they are based on revelation and juristic evidence. Sometimes the health wisdom is obvious, as with carrion, blood, human waste, and intoxicants; sometimes the wisdom may be partly devotional, as with the exact number of washes for a dog-licked vessel. It is fair to say that Islamic purity laws promote clean habits and public sanitation, but we should avoid exaggerated claims that Muslims never suffered epidemics, that every ruling has been scientifically proven, or that modern germ theory is the legal proof for the Sharia. The believer obeys Allah first, and then appreciates whatever worldly benefits become clear.
Psychological and social benefit: Cleanliness has a positive effect on one's mind and on society. A person who keeps themselves and their surroundings clean tends to feel more confident, calm, and happy. Think of how you feel after a good shower and wearing fresh clothes - refreshed! Islam basically prescribes that feeling five times a day (through wudu). Communities that emphasize cleanliness also tend to be more pleasant to live in - less foul smells, less risk of outbreaks, more respect for shared spaces. The mosque example shows this: by keeping the mosque pure from urine or dirt, it remains a welcoming place for all to pray without distraction or disgust. A neat and clean environment uplifts morale. On the flip side, impurity and filth breed discomfort, shame, and even depression for some. By eliminating filth regularly, one keeps a positive mental state. There's a reason "cleanliness is next to godliness" is a common proverb - cleanliness is inherently a virtue across cultures. Islam hardwired it into daily ritual.
Moral and symbolic lessons: Many scholars point out a beautiful parallel: just as we must clean physical impurities, we should be even more eager to clean spiritual impurities (sins, bad traits) from our hearts. The constant practice of outward cleaning is meant to remind us of inward cleansing. For instance, when washing away najasah, one might also pray, "O Allah, purify my heart from jealousy or arrogance as I purify my clothes from dirt." The Prophet (ﷺ) taught comprehensive purity, often linking outward acts with inner states. There's a Quranic du'a of Prophet Ibrahim (Abraham) asking Allah to make him and his offspring "establishers of prayer" and to "accept his repentance". After prayer (which demands outward purity), we often say Astaghfirullah (I seek forgiveness) to cleanse the soul. It's a holistic system. When the Quran calls polytheism "najis" (impure) as we saw, it essentially labels false worship as a filth worse than any physical dirt. This helps believers prioritize: avoid evil deeds and false beliefs as diligently as you would avoid stepping in poop! The physical training with actual filth and cleaning ingrains the idea strongly.
Discipline and obedience: Another wisdom is pure submission. Some purification rules might not have been clearly understood historically (like why seven washings for dog saliva, or the difference for baby boy urine). Following them anyway teaches a Muslim to obey Allah and His Messenger's directives with trust. This trust (tasleem, submission) is at the heart of Islam. Later on, one might learn or realize the reasons, or even if not, one believes God knows best. This builds a mindset of discipline and mindfulness. A Muslim who is careful about najasah will likely be careful about other aspects of the faith too, because they've trained themselves to care and follow guidance precisely. It's like a spiritual exercise in attention to detail and humility.
Distinguishing the community: Historically, Muslims stood out for their cleanliness. There are records from non-Muslim observers noting that Muslims wash often, wear clean white garments for prayer, and avoid certain unclean habits. This gave the community an identity and even dignity. In some eras, unfortunately, basic hygiene was lacking in many societies, and Muslims were literally the cleanest people around. This drew positive attention and made others curious about Islam (a form of dawah by example). Even today, in workplaces or schools, people notice Muslims washing their feet in the sink or carrying a little water bottle to the restroom - it might look odd until it's explained. But once explained, many people react with "That makes a lot of sense" or "I wish everyone did that, the world would be cleaner." Some Western hospitals now use bidet attachments largely because they realize water cleans better - a practice Muslims have done for centuries. So our emphasis on purity can be a means to share Islamic values. It shows Islam's completeness: faith isn't just abstract; it affects even how you maintain personal hygiene.
Environmental consideration: Believe it or not, Islamic law about cleanliness also encourages caring for the environment. We are forbidden from polluting water sources with impurities (there are hadiths forbidding urinating in stagnant water or on paths/shade where people rest). These teachings indirectly promote what we now call environmental hygiene or public sanitation. Muslims dug latrines away from water wells, covered their waste, and later developed sewage systems - partly inspired by these rules. Cleanliness in Islam isn't just personal; it's communal. For instance, if a dog or other animal drinks from a water supply, Muslims would avoid that water (or treat it) for purity reasons, which also means they sought clean water sources. This kind of approach meant wells were protected from contamination as much as possible. It's a virtuous cycle: spiritual respect for cleanliness leads to practical measures that keep the earth and resources clean for others.
In essence, Islam's view on purity and impurity is incredibly balanced and beneficial. It might seem strict on the surface ("oh, you have to wash this and that"), but consider the alternatives: a religion with no emphasis on cleanliness might allow its followers to pray in filthy conditions or neglect hygiene, which isn't dignified or healthy. Or a system with overly rigid cleanliness (some religions have extreme taboos that isolate people if they are "unclean" or require elaborate rituals that are impractical) could burden people and cause hardship. Islam strikes the middle path: clear rules, reasonable methods, and compassionate allowances. We genuinely believe this approach is the best.
It's also worth noting that many other faiths have some concept of purification, for example, in the Old Testament, there were rules about impurity (like people with skin diseases or touching dead bodies being unclean for a time), and Hindus have concepts of purity and impurity in some caste practices (although those became extreme and social, which Islam rejects, no person is "untouchable" by birth in Islam!). But Islam's system is unique in how applicable it is to daily life and how it ties it to worship. It came as a complete package that improved both spiritual practice and daily living. The universality and timelessness of these rules can even be seen as an indirect proof of Islam's truth, a feature of divine guidance. How so? Prophet Muhammad (ﷺ) was an unlettered man in 7th-century Arabia, yet he taught principles on cleanliness that even modern medicine and science highly endorse. He did so without any laboratory, rather, it was revelation and wisdom given by Allah. This is one of the subtle miracles of Islam: its practicality and foresight.
Scholarly Commentary and Different Schools of Thought
Over centuries, Muslim scholars of different regions and schools of thought studied the Quran and Hadith and sometimes had varying interpretations on the finer points of purification. It's important to say: on the core matters of what is impure and the need to be clean for prayer, all scholars agreed. The differences are generally minor or procedural. Here are a few brief comparisons from the major Sunni schools (Hanafi, Maliki, Shafi'i, Hanbali) regarding najasah:
Agreement: All four schools say that urine, feces, blood, carrion, pork, and alcoholic beverages are impure and must be avoided or cleaned. They all require Muslims to remove najasah before praying. They unanimously agree that wudu is needed for minor ritual impurity and ghusl for major impurity (like after sexual activity or menstruation). So there's no debate that cleanliness is a must.
Amount of impurity excused: Hanafis are somewhat unique in specifying that a small amount of impurity (they define roughly less than 3-4 grams by weight of solid impurity, or an area less than about 2.75 cm in diameter on cloth of liquid impurity) is excused in prayer. If someone prayed not noticing a tiny drop of blood or a speck of feces, the prayer is still valid. Other schools also logically excuse what's negligible (since absolute perfection is not always possible), but they didn't quantify it. They'd use judgment - e.g., a drop or two of blood might be overlooked by Maliki or Shafi'i if truly minimal, but they prefer you clean everything you're aware of. Hanafis, being systematic, gave a guideline. This isn't a license to be careless - all schools say purify if you can - it's just a fallback for mistakes.
Vessels licked by animals: We saw the hadith about dog saliva requiring seven washes with earth. Shafi'i and Hanbali schools took that very strictly: if a dog's saliva or snout touches any object, they require exactly seven washes (one with earth) to purify. They would even say if one misses the "earth wash" the object isn't pure yet by Shafi'i standard. Hanafi and Maliki scholars, while accepting the hadith, didn't bind the number seven as strictly. Hanafis say washing it thoroughly is required, and it's sunnah (prophetic practice) to do the seven with earth, but if someone washed fewer times and it's clean to the eye, it's considered pure . Malikis intriguingly argue the hadith might have a ta'abudi aspect (pure obedience test) but they don't view dog saliva as inherently impure (they note, for instance, that in the Prophet's time dogs roamed in Madinah and no report says people washed the ground everywhere a dog stepped). So Malikis often rule: dog saliva should be cleaned as a precaution, but if a person didn't do seven times, it's not the end of the world - one good washing can suffice to remove physical impurity in their view. However, for worship purposes, even Malikis would tell a follower: if you hold that opinion, fine, but be mindful others might not want to pray on a mat a dog licked unless washed. They allow prayer in clothes a dog touched as long as it's clean of visible saliva.
Alcohol-derived products: Classical scholars all considered wine najis. Modern scholars in Hanafi and Maliki schools have given some fatwas that alcohol in things like perfumes (which you don't drink and which might be chemically different) may be pure - this is a modern ijtihad (independent reasoning) based on the idea that not every chemical alcohol = khamr. Shafi'i and Hanbali scholars tend to still say any liquid intoxicant is impure in essence. So, you might find on a fiqh QA site that according to Hanafis, your cologne with alcohol denat is not najis (since it's like chemical not beverage), whereas Shafi'is would advise avoiding spraying it on clothes for prayer. These are subtle modern issues, but they show how scholars aim to reconcile new realities with principles.
Blood and pus: There was minor debate on whether non-flowing blood (like that which remains in meat or organs) is impure or not. Generally, the four schools say the flowing blood that exits the body is impure. Malikis had a view that if blood stays within meat (like veins in halal-slaughtered meat) it's fine - that meat is halal to eat, after all. This isn't really a disagreement, just clarifying scenarios. Regarding fish blood, many scholars say fish blood isn't considered najis because the prohibition of blood was specific to spilling blood of beasts; also fish blood is usually minimal. Some Hanafis and others say by analogy it's impure but since fish are halal and we can't drain their blood, it's excused entirely. So you'll never see a Muslim washing a fish to bleed it out - it's all allowed.
Vomiting amount: Oddly specific: Hanafis say if one vomits a mouthful or more, the vomit is impure and breaks wudu; less than that is excused. Shafi'is mostly consider vomit impure regardless of amount but don't link it to wudu necessarily. This is a cross between ritual purity and physical purity. It shows how detailed discussions got. But practically, everyone agrees you should rinse your mouth and clean up after vomiting.
Menstrual bleeding vs. istihadha (irregular non-menstrual bleeding): All schools see menstrual blood as najis. For women who have prolonged bleeding (beyond the menstrual days), that blood is also impure but they differ on some rules of how she manages wudu for prayers. That's a fiqh of its own. But physically, she has to wash herself and her pads/clothes just like normal, which can be a burden - the Prophet (ﷺ) comforted a woman with that condition that it's from Allah and to wash and do wudu for each prayer when needed. All schools have empathy and ease built in for such cases (since it's medical, they treat it like a disabled state where some strictness is lifted).
Despite any differences, every school of thought upholds the fundamental principle: "la salat illa bi tahoor", no prayer is valid without purification (both from hadath and from najasah). So a Muslim, regardless of madhhab, will strive to remove actual filth from their person before standing in prayer.
As a final scholarly note: classical fiqh works usually begin with Kitab al-Taharah (The Book of Purification), because purification is the gateway to prayer. Scholars such as Al-Nawawi, Ibn Qudamah, Ibn Taymiyyah, Ibn Abidin, and Wahbah al-Zuhayli discuss najasah in detail, with evidences and madhhab differences. Contemporary Muslim writers also note that many of these rulings encourage healthy habits, but specific medical claims should be cited carefully and not attributed to invented examples. It is enough to say that there is clear harmony between Islamic guidance and many benefits recognized in daily hygiene, while the believer's primary basis remains obedience to Allah and His Messenger (PBUH).
Conclusion
For Muslims, the concept of najasah (impurities) is much more than a set of picky rules, it's a way of life that keeps us physically clean, spiritually focused, and ever mindful of our connection to Allah. Every time we wash a stain or avoid something harmful, we are performing a small act of devotion. It builds character, making us disciplined, mindful, and considerate of those around us (nobody likes someone who goes around spreading dirt or bad smells!). In a world that is sometimes content with the bare minimum of hygiene, Islam encourages us to rise above and maintain a higher standard of purity for the sake of our Creator and ourselves.
As Muslims today, we should carry forward these teachings with pride and gratitude. It might require a little extra effort, taking a few minutes for wudu, excusing yourself to clean up a spill, or double-checking that your clothes are free of filth, but the payoff is huge: the pleasure of Allah and the goodness of health and dignity. When we teach our children to clean themselves properly or keep the mosque carpet spotless, we're instilling values that will stay with them for life. In an age of pandemics and superbugs, the world can even learn from Islamic habits of cleanliness. We've seen people recently emphasizing handwashing and not touching unclean things, these are habits Muslims practice daily and have for centuries.
Moving forward, we Muslims can also reflect on inner purity whenever we practice outer purity. Let the act of washing remind us to repent and cleanse our hearts of ego, hatred, or dishonesty. Just as soap and water wash away grime, remembrance of Allah and sincere repentance wash away the spiritual grime. The Quran often pairs righteousness with purification because living an upright life purifies the soul.
In giving dawah (inviting others to Islam), our personal cleanliness and the pleasant environments of our homes and mosques can themselves be an unspoken invitation. People notice the serenity and order that comes with these teachings. So, we should never feel shy about explaining why we might refuse a certain food or need to wash after the dog rubbed on us, these moments can spark meaningful conversations about Islam's wisdom. Many converts to Islam actually mention that the emphasis on cleanliness and the peace felt in the disciplined lifestyle were factors that attracted them.
In conclusion, the concept of najasah shows the harmonious blend of theology, morality, and practical living in Islam. It's a system that benefits body and soul, individual and society. By adhering to these guidelines, we demonstrate our obedience to Allah, our respect for ourselves and others, and we gain the love of Allah, since "Allah loves those who purify themselves." Let's continue to practice and share this beautiful aspect of our faith. The authentic wording reported in Sahih Muslim is that Prophet Muhammad (PBUH) said: "Purity is half of faith." By staying clean, avoiding impurities, and purifying what becomes dirty, we are in fact living our faith and moving closer to Paradise, one wash at a time.
May Allah purify us (externally and internally) and make us among those He loves. Ameen.
Sources
| # | Source |
|---|---|
| 1 | Al-Fiqh al-Islami wa Adillatuhu - Wahbah al-Zuhayli (Vol. 1, details on purity and impurities) |
| 2 | Fiqh-us-Sunnah - Sayyid Sabiq (Book of Purification, easy guide to Islamic cleanliness) |
| 3 | Bidayat al-Mujtahid (The Distinguished Jurist's Primer) - Ibn Rushd (comparative fiqh, purification differences) |
| 4 | Al-Mughni - Ibn Qudamah (classic Hanbali jurisprudence, discusses najasah rulings and excused amounts) |
| 5 | Tafsir Ibn Kathir - Ibn Kathir (Quran commentary on verses like 9:28 and 9:108 about purification) |
| 6 | Riyad al-Salihin (Gardens of the Righteous) - Imam Nawawi (contains chapters on virtues of cleanliness and repentance) |