Abu Dawud
Combing The Hair
Book Number: 028 / Hadith Number: 4186
Narated By Abu Hurairah : The Prophet (pbuh) said: The inborn characteristics of man are five. Another versio says: Five things are characteristics pf man: circumcision, shaving the pubes, plucking the hair under the armpit, paring the nails and clipping the moustaches.