Sahih al-Bukhari 5903
صحيح البخاري#5903SahihNarrated Anas : The hair of the Prophet (ﷺ) used to hang down up to his shoulders
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 77:120