Frankincense and Myrrh are both derived from the sap of the boswellia and commiphora trees when the bark is cut. FranKincense and Myrrh have been used in religious ceremonies and rituals for years. The incense can be burned to purify a space, clear negative energy, protection against evil and to induce psychic visions. 1 bag contains 3/4 oz. of the resin.