World's Most Powerful Facial. Deep Pore cleansing. The secret is bentonite clay from Death Valley, California, where it is sundried for up to six months in temperatures that sometimes reach 134 degrees. 100% natural calcium bentonite clay. Does not contain additive, fragrances or animal products. Read and Follow all manufacturers directions before using. Slight redness of the skin is normal and will disappear in about 30 minutes. Use once per week. Vogue Magazine Recommends for use on the T Zone.