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Is it permissible to use a hairbrush made out of boar bristles? It is said that these bristles (which pigs have instead of fur or hair) are good for the hair, so they are used in the manufacture of these brushes. But I am not sure whether it is permissible to use it, and people differ concerning this matter. I hope that you can explain.
Praise be to Allah.
The jurists differed as to whether boar bristles are impure. The majority of Hanafis, Shafi`is and Hanbalis are of the view that they are impure. The Malikis are of the view that they are pure.
According to the view that they are impure, it is not permissible to use them when they are wet or to let them touch anything that is wet, because impurity is transmitted by wetness.
In Al-Mawsu`ah Al-Fiqhiyyah (20/35) it says: “The majority are of the view that boar bristles are impure, so it is not permissible to use them because that is using something that is impure in and of itself.
According to the Shafi`is, if a khuff (leather slipper) is stitched with thread made from boar bristles, the place where the stitches are cannot be made pure by means of washing or using dust, but it may be overlooked and forgiven, so the individual may offer obligatory and Sunnah prayers in them because it is too difficult to avoid this thing. According to the Hanbalis, if it was stitched when wet it must be washed, and it is permissible to use a sieve made of impure bristles if it is dry, because the impurity is not transferred, but it is not permissible to use it if it is wet because the impurity is transferred by wetness.
The Hanafis regarded it as permissible for those who do stitches to use boar bristles in cases of necessity.
The Maliki scholars were of the view that boar bristles are pure, so if they are cut off with scissors it is permissible to use them, even if they are cut when the pig is dead, because the matter has nothing to do with whether the animal is alive or dead. But it is recommended to wash them because there is some doubt as to whether they are pure or impure . But if the bristles are plucked, then they cannot be pure.”
It also says (26/102):
“The Maliki scholars are the only ones who say that boar bristles are pure because they (the bristles) are pure when the boar or pig is alive. This applies if the bristles are cut off and not plucked. If they are plucked then the roots are impure but the ends are pure.
They quoted as evidence for that the verse in which Allah, may He be glorified and exalted, says (interpretation of the meaning): “…and of their wool, fur, and hair (sheep wool, camel fur, and goat hair), a furnishing and articles of convenience (e.g. carpets, blankets, etc.), a comfort for a while” [An-Nahl 16:80]. This verse appears in the context of reminding people of Allah’s blessings, so the apparent meaning is that it includes animals both dead and alive.
They also quoted as evidence the Hadith of Maymunah (may Allah be pleased with her) according to which the Messenger (blessings and peace of Allah be upon him) said concerning a sheep of Maymunah’s (that had died) when he passed by it: “It is only haram to eat it.” According to another version, “Only its meat is haram for you; you are allowed to make use of its skin.”
On the basis of reasoning they concluded that the dead animal is regarded as pure when alive, and the issue of whether the hair (or bristles) is pure has nothing to do with whether the animal is alive or dead.
The most correct view is that the bristles of pigs and the hair of dogs and other animals are pure.
Shaykh Al-Islam Ibn Taymiyah (may Allah have mercy on him) said:
“With regard to hair growing on a body that is impure, Imam Ahmad had three reports:
The most correct view is that all hair is pure, whether it comes from a dog, a pig or other animals. This is unlike the saliva.
Based on that, if the dog’s hair is wet and it gets onto a person’s clothes, there is no problem with that, as is the view of the majority of the jurists, Abu Hanifah and Malik, and of Ahmad according to one of the two reports from him. That is because the basic principle concerning substances is that they are pure, and we cannot regard anything as impure or prohibited except on the basis of evidence to that effect, as Allah, may He be exalted, says (interpretation of the meaning):
“He has explained to you in detail what is forbidden to you, except under compulsion of necessity.” [Al-An `am 6:119]
“And Allah will never lead a people astray after He has guided them until He makes clear to them as to what they should avoid.” [At-Tawbah 9:115]
The Prophet (blessings and peace of Allah be upon him) said in the authentic Hadith: “One of the most serious sins a Muslim may commit is to ask about something that was not forbidden, then it becomes forbidden because of his asking.”
In As-Sunan, it is narrated from Salman Al-Farisi (may Allah be pleased with him) in a report attributed to the messenger (blessings and peace of Allah be upon him) that he said: “What is permissible is that which Allah has permitted in His Book, and what is forbidden is that which Allah has forbidden in His Book. And what He has said nothing about is that which He has forgiven. As that is the case, the Prophet (blessings and peace of Allah be upon him) said: “The purification of the vessel of one of you, if it is licked by a dog, is to wash it seven times, the first of which should be with dust.” All versions of this Hadith mention nothing except licking; they do not mention any other parts of the dog, so regarding the dog itself as impure is a conclusion that is reached only by analogy…
With regard to every animal that was said to be impure, the argument concerning its hair or feathers is like the argument concerning the hair of the dog. If it is said that every wild animal that has fangs and every bird that has talons is impure – except cats and whatever is smaller than them, as is the view of many of the scholars, the scholars of the people of Iraq, and it is the better known of the two reports from Ahmad – then the issue of the hair or feathers of such creatures is subject to the same argument, whether it is impure or not. There are two reports from Ahmad, one of which says that it is pure. This is also the view of the majority, such as Abu Hanifah, ash-Shafi`i and Malik. The second view is that it is impure, which is the view favoured by many of the later companions of Ahmad. The view that it is pure is the correct view, as stated above.” (Al-Ikhtiyarat Al-Fiqhiyyah Dimna Al-Fatawa Al-Kubra, 5/264)
Based on that, there is nothing wrong with using a hairbrush made out of boar bristles, and it does not matter if it touches wet hair, but avoiding that is preferable, so as to avoid an area of scholarly difference of opinion.
For more details, please refer to the following answers: 22713 , 177335 , 93212 , and 171393 .
And Allah knows best.