Deep Cleansing & Purifying Care for Your Skin. Give your skincare routine a deeper cleanse with COSMO's collection of clay face masks. Designed to help absorb excess oil, remove impurities and refresh the skin, clay masks are an ideal addition to a regular skincare routine. Choose from Black, White, Green and Gold Clay-Based Face Masks, each created to target different skincare needs. The White Clay Face Mask helps brighten the appearance of skin while absorbing excess oil and impurities, while the Black Clay Face Mask combines clay with activated charcoal and hyaluronic acid for deep-cleansing and pore-refining care. Whether you're looking for a clay mask for oily skin, clogged pores, dull skin or excess oil, explore COSMO's face clay mask collection for clean, refreshed and radiant-looking skin.