Foundation. A substance that burns conveniently with possibly a nice aroma or no aroma in any way. The base aids in the burning in the aromatic and often improves or tempers the scent. The most popular bases are powders derived from woody crops: sandalwood, cassia, vetiver, willow, evergreen needles, and https://damiencepbo.illawiki.com/1006562/5_easy_facts_about_angry_birds_herbal_incense_described