(29) باب النَّهْىِ عَنْ ضَرْبِ الْحَيَوَانِ، فِي وَجْهِهِ وَوَسْمِهِ فِيهِ .
Jabir reported that Allah's Messenger (ﷺ) forbade (the animals to be beaten) on the face or cauterisation on the face.
Reference: Sahih Muslim 2116 a
In-book reference: Book 37, Hadith 161
USC-MSA web (English) reference(deprecated numbering scheme): Book 24, Hadith 5281