(32) باب النَّهْىِ عَنْ ضَرْبِ الْوَجْهِ،
Abu Huraira reported Allah's Apostle (ﷺ) as saying:
When any one of you fights with his brother, he should spare his face.
Reference: Sahih Muslim 2612 c
In-book reference: Book 45, Hadith 150
USC-MSA web (English) reference(deprecated numbering scheme): Book 32, Hadith 6323