Sahih Muslim 6067
صحيح مسلم#6067SahihQatada reported:I asked Anas b. Malik: How was the hair of Allah's Messenger (ﷺ)? Thereupon he said: His hair was neither very curly nor very straight, and they hung over his shoulders and earlobes
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: 43:125