(127) باب الْحَلْقِ وَالتَّقْصِيرِ عِنْدَ الإِحْلاَلِ
Narrated Ibn `Umar:
Allah's Messenger (ﷺ) (p.b.u.h) (got) his head shaved after performing his Hajj.
Reference: Sahih al-Bukhari 1726
In-book reference: Book 25, Hadith 204
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 2, Book 26, Hadith 784