(38) باب الْبَخُورِ
It was narrated that Nafi' said:
"When Ibn 'Umar burned incense he would burn Al-Uluwwah that was not mixed with anything else, or camphor mixed with some Al-Uluwwah. Then he said: 'This is what the Messenger of Allah [SAW] used to burn.'"
Reference: Sunan an-Nasa'i 5135
In-book reference: Book 48, Hadith 96
English translation: Vol. 6, Book 48, Hadith 5138