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You know them. Using refined versions of the natural mineral—look for kaolin or bentonite—clay (or mud) masks draw out dirt and impurities from pores and absorb excess oil from the skin’s surface, says Schueller. Modern formulas often come with bonuses: Chemists are now adding exfoliants like alpha hydroxy acids and anti-inflammatories for a deeper yet gentle clean. These masks are even great for those fighting aging and pimples. As clay dries, it tightens the skin (your face will feel shrink-wrapped— embrace it!), temporarily softening the appearance of fine lines and wrinkles even after it’s washed away.

Best for: Oily or acne-prone skin.

Try: Sephora Collection Blue Clay Mask ($8;