Foundation. A material that burns commonly with possibly a pleasing aroma or no aroma in any way. The base aids in the burning of your aromatic and often improves or tempers the scent. The preferred bases are powders derived from woody vegetation: sandalwood, cassia, vetiver, willow, evergreen needles, and charcoal. https://andreszhpye.dbblog.net/3575985/top-herbal-incense-spice-secrets