Sahih Muslim · Hadith 6188
The Book Pertaining to the Excellent Qualities of the Holy Prophet (may Peace be upon them) and His - كتاب الفضائل
حدثنا محمد بن رافع، حدثنا أبو النضر، حدثنا سليمان، عن ثابت، عن أنس، قال لقد رأيت رسول الله صلى الله عليه وسلم والحلاق يحلقه وأطاف به أصحابه فما يريدون أن تقع شعرة إلا في يد رجل .
Anas reported: I saw when the Messenger of Allah (may peace be upon him) 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.
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).