“Clay masks can benefit most skin types, but the type of clay matters,” says Sonia Badreshia-Bansal, MD, a board-certified dermatologist based in Danville, CA. Our Top Clay MasksOn top of the type of clay, today’s formulas are far less likely to leave your skin parched. (Heads up: Even so, Dr. Badreshia-Bansal recommends using a clay mask once or twice a week for optimal results since excessive use can lead to dryness or irritation.) Read on for our dermatologist-approved picks for the best clay masks that leave your complexion feeling soft, comfortable, and glowing. Purple kaolin clay absorbs excess oil, while the combination of purple willow ferment and salicylic acid works together to refine pores, clear blackheads, and sweep away buildup.