Frankincense is the quintessential incense. It has the greatest association with spiritual practices of any substance on earth. Frankincense is the resin of the sacred Boswellia tree and has been used since ancient times of Egypt, Africa, and Mesopotamia civilizations. It is also the famous incense from the bible thought to awaken a feeling of union with the divine. With a characteristic purifying and relaxing quality, its character is considered to strengthen will-power, self-confidence, and determination. Product of Egypt.