Sahih Muslim Book 27, Hadith Number 5601.

Chapter : The use of Musk and that is the best scent, and the disapproval of rejecting the gift of scent and flower.

Nafi’ reported that when Ibn Umar wanted fumigation he got it from aloeswood without mixing anything with it, or he put camphor along with aloeswood and then said: This is how Allah’s Messenger (may peace be upon him) fumigated.