What it is: An herbal clay mask that deeply cleanses skin's surface and pores while comforting stressed skin with exceptional purifying effects.What it does: It's formulated with fine clay particles sourced from the Yellow Sea region in South Korea that are refined by natural tidal forces that are less than a few dozen microns in size. They gently pull dirt and grime from your pores while softening the appearance of skin's texture. The rinse-off mask features soothing herbs that help calm stressed skin triggered by various daily environmental aggressors. In addition, it also contains PHA, a mild, naturally derived exfoliating substance that helps effortlessly remove dead skin cells. How to use: After cleansing your face, apply a thin layer to your face, avoiding the eye area. Rinse with lukewarm water after 5-10 minutes. You can also use it as a spot-care solution by applying on the T-zone or where the skin secretes more sebum, then rinse with lukewarm water after 5-10 minutes. 4.05 oz.