Bring back the radiance of your skin with the Innisfree Vitamin C Active Mask (25ml). This brightening sheet mask contains vitamin C derivatives and niacinamide to help brighten dull, rough skin. Additionally, this Innisfree face mask is sheer and ultra-thin to adhere well to the skin and ensure more effective delivery of its beneficial ingredients to the skin. Key Features and Benefits: Enriched with vitamin C derivatives and niacinamide to brighten dull skin Ultra-thin mask adheres closely to the skin to ensure better absorption of ingredients. Restores rough skin to leave it soft and smooth. 100% natural sheet mask made of soft cotton fibers around cotton wool Key Ingredients: Vitamin C derivatives and Niacinamide: brighten dull, rough skin All Ingredients: Water / Aqua / Eau, Propanediol, Butylene Glycol, Glycerin, Niacinamide, 1,2-Hexanediol, Panthenol, Betaine, Carbomer, Arginine, Allantoin, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Xanthan Gum, Ethylhexylglycerin, Glyceryl Caprylate, Sodium Phytate, Magnesium Ascorbyl Phosphate, Sorbitan Isostearate, Hydrolyzed Corn Starch, Sodium Hyaluronate, Paeonia Sylvainensis Root Extract, Sucrose, Houttuynia Cordata Extract, Melaleuca Alternifolia (Tea Tree) Extract, Extract Artemisia princeps leaves How to use: First, cleanse your face and pat dry with a towel. Then, gently squeeze the sheet mask pouch between your palms to distribute the serum. Then, open the package and unfold the mask. Apply it to your face, aligning the cutouts for your nose and eyes. Leave it on for 15-20 minutes. After removing the mask, gently massage any excess serum into your skin with your fingertips. For best results, use it once or twice a week.