Garnier SkinActive Niacinamide Ampoule Sheet Mask Kale is the combined formula mask which made of niacinamide and kale extracts. Niacinamide 2% helps to rebalance the skin, known to remove excess sebum and reduce blemishes. This indispensable ingredient is known to contribute to healthy skin. Use this sheet mask if you have dull, de-hydrated skin.