Muwatta 1255

Malik says that whoever plucks hair from his nose or armpit, depilates his body with a depilatory, or shaves a wound on his head out of necessity, or shaves the back of his neck where the cupping cups go, while in ihram, forgetful or ignorant, owes a ransom for all of that, and he should not shave the place of the cupping cups. ¹

Belongs to the Muwatta, Book of Pilgrimage (hajj). Source: the Muwatta. Built on in the chapters on expiation (kaffara), shaving (halq), cupping (hijama) and the state of ihram.