What It Is:A concentrated amount of brightening ingredients (Vitamin C, Niacinamide and exclusive Pitera) delivered quickly to the skin to improve radiance instantly. The Brightening Derm Revival Mask helps to achieve more even-looking skin and diminishes the look of discoloration and sun spots from your skin barrier's surface.Skin Type:Normal, Dry, Combination, OilySkin Concern:Dullness, Sun Spots, Skin ToneKey Ingredients:- Pitera: Sk-ii's proprietary ingredient derived from fermentation. It improves multiple dimensions of visible skin damage and aging. Sk-ii discovered Pitera during a tireless quest for beautiful bare skin. In the 1970s, their scientists became fixated on the soft, youthful-looking hands of elderly workers at a Japanese sake brewery. They knew the secret must lie in yeast and fermentation process. Rich in vitamins, amino acids, minerals and organic acids, Sk-ii's proprietary ingredient Pitera, dramatically improves the natural surface rejuvenation process.- Niacinamide: Significantly decreases hyperpigmentation.- Vitamin C: A renowned antioxidant known to brighten skin tone.How To Use It:Gently spread the mask over your face. Leave on for 5-15 minutes for the essence to fully absorb into your skin. Remove and discard mask, then massage the remaining essence into your skin. You can also wipe off or rinse off any excess residue afterwards.