Benefits: Skin irritation test completed. This deep cleansing mask warms up as you smooth it on, which helps drawing out dirt. Active ingredients such as Charcoal Powder and Corn Starch melt and remove excess sebum and blackheads. With Oat Powder to gently exfoliate dead skin cells when nourishing skin. How to use: 1. Spread a generous amount over the face or concerned areas after cleansing. 2. Massage for 1-2 minutes, and wash off after 5-10 minutes.