Sahih al-Bukhari 168
صحيح البخاري#168SahihNarrated `Aisha:The Prophet (ﷺ) used to like to start from the right side on wearing shoes, combing his hair and cleaning or washing himself and on doing anything else
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: 4:34