(68) باب الْجَعْدِ
Narrated Qatada:
l asked Anas bin Malik about the hair of Allah's Messenger (ﷺ). He said, "The hair of Allah's Messenger (ﷺ) was neither much straight, nor much curly, and it used to hang down till between his shoulders and his earlobes.
Reference: Sahih al-Bukhari 5905
In-book reference: Book 77, Hadith 122
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 7, Book 72, Hadith 791