Sahih al-Bukhari 295
صحيح البخاري#295SahihNarrated `Aisha:While in menses, I used to comb the hair of Allah's Messenger (ﷺ)
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: 6:2