This loose moxa is made of high quality mugwort fiber that has been fermented for 3 years for greater potency. The soft spongey consistency of this moxa makes it great for forming moxa cones. CAUTION: Moxibustion (moxa) should only be administered under the direction or supervision of a qualified practitioner. To ensure safety do not use moxa products that are damaged or cracked. Instruct patients to communicate any uncomfortable sensation of heat immediately. Remove moxa immediately if patient indicates that heat sensation becomes uncomfortable. Improper use can result in skin redness or blisters. Never leave patients unattended during any moxa use. Moxa is contraindicated for use on the face or on other sensitive areas on infants or young children or on patients unable to sense heat or pain (e.g. the elderly or those with nerve damage). It is strongly recommended that you use protective barriers with any moxa product that provides them in the box of moxa product.