عن ابن عمر رضي الله عنهما
قال: نهى رسول الله صلى الله عليه وسلم عن القزع
The Messenger of Allah (sallallahu alayhi wa sallam) forbade shaving a part of the head.
Riyad as-Salihin 1638, Book 18, The Book of the Prohibited actions, Hadith 128. 1 min read