The SATURN mask is the answer for acne-prone skin. The medicated 10% sulfur mask clears acne and prevents new blemishes. Suitable for acne-prone skin, this treatment contains 10% sulfur, which works to unclog pores and absorb excess oil. As a result, skin appears clearer and healthier with regular use of SUNDAY RILEY's sulfur acne treatment mask. This product comes in a 21 oz (60 ml) tube.