سُنَنُ النَّسَائِيِّ
Sunan an-Nasa’i 5230
The Book of Adornment
Mentioning the Prohibition of Shaving Part of a Boy's Head and Leaving Part
أَخْبَرَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ، قَالَ أَنْبَأَنَا مُحَمَّدُ بْنُ بِشْرٍ، قَالَ حَدَّثَنَا عُبَيْدُ اللَّهِ، عَنْ عُمَرَ بْنِ نَافِعٍ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، قَالَ نَهَى رَسُولُ اللَّهِ صلى الله عليه وسلم عَنِ الْقَزَعِ .
It was narrated that Ibn 'Umar said: "The Messenger of Allah [ﷺ] forbade Al-Qaza' (shaving part of the head and leaving part)."
Sunan an-Nasa'i, 5230Sahih (Darussalam)