Abu Dawud
Purification (Kitab Al-Taharah)
Book Number: 001 / Hadith Number: 39
Narated By Abdullah ibn Mas'ud : A deputation of the jinn came to the Prophet (pbuh) and said: O Muhammad, forbid your community to cleans themselves with a bone or dung or charcoal, for in them Allah has provided sustenance for us. So the Prophet (pbuh) forbade them to do so.