Mary & May Niacinamide + Vitamin Brightening Mask Pack, containing niacinamide + vitamin C that brightens dull and darkened skin, daily brightening care mask pack! With safe ingredient EWG green grade the mask aims for a clean beauty that excludes harmful ingredients by filling only good ingredients that are quick and effective. Suitable for Everyday-use sheet mask completed skin irritation test so you can comfortably perform daily care without irritation even for sensitive skin.