Sahih al-Bukhari 1729
صحيح البخاري#1729SahihNarrated `Abdullah:The Prophet (ﷺ) and some of his companions got their heads shaved and some others got their hair cut short
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: 25:207