Sahih Muslim 598
صحيح مسلم#598SahihAbu Huraira reported:Five are the acts of fitra: circumcision, removing the pubes, clipping the moustache, cutting the nails, plucking the hair under the armpits
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 2:65