(72) باب الْقَزَعِ
Narrated (Abdullah) bin `Umar:
Allah's Messenger (ﷺ) forbade Al-Qaza' (leaving a tuft of hair here and there after shaving one's head.)
Reference: Sahih al-Bukhari 5921
In-book reference: Book 77, Hadith 136
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 7, Book 72, Hadith 804