AMPOULE SHEET MASK*: the power of green sciences infused. 2% NIACINAMIDE is known to eliminate excess sebum, lessen blemishes, and help restore equilibrium to the skin. One essential ingredient that is known to help achieve healthy-looking skin is kale. paired with the detoxifying Ampoule sheet mask's niacinamide. Proven Effectiveness in 5 Minutes*: exhibits a clean, healthy glow and is clearly purified.