«كان يستجمر بألوة غير مطراة وبكافور يطرحه مع الألوة»
It was the practice of the Prophet (peace and blessings be upon him):
"He (peace and blessings be upon him) would burn pure aloeswood as incense, and he would mix camphor with it."
Hadith Referenceصحیح الجامع الصغیر / حرف الكاف / 4948