According to [Jafari Fiqh][1] the meat of boars is Haram (forbidden) but it is not Najis. Products made of its hair like brush are allowed to be used. ---------- ref: By online Answering from [Official website of Grand Ayatollah Makarem Shirazi][2]. [1]: http://en.wikipedia.org/wiki/Ja'fari_jurisprudence [2]: http://makarem.ir/websites/english/