Sahih al-Bukhari 5906
صحيح البخاري#5906SahihNarrated Anas:The Prophet (ﷺ) had big hands, and I have never seen anybody like him after him. The hair of the Prophet was wavy, neither curly nor straight
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: 77:123