Benefits: The Bamboo Charcoal mask sheet and Charcoal Extract draws out harmful substances and impurities for fresh, clear skin. Betaine restores natural power of skin, while Beta glucan moisturizes and strengthens skin barrier. Contains Black Complex to nurture skin with various vitamins. Perfect for dry, dull and oily skin. How you can use: one. Right after using toner, place the mask evenly onto face. two. Remove after 10 15 minutes and gently pat the remaining essence in skin for absorption.