Sahih Muslim 6043
صحيح مسلم#6043SahihAnas reported:I saw when the Messenger of Allah (ﷺ) got his hair cut by the barber, his Companions came round him and they eagerly wanted that no hair should fall but in the hand of a person
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: 43:101