The Ordinary Ascorbyl Glucoside Solution 12% Vitamin C SerumBRIGHTENING VITAMIN C SERUM: Targets signs of aging by brightening and visibly evening out skin tone, and provides with antioxidant protection. WATER SOLUBLE VITAMIN C: Formulated with Ascorbyl Glucoside, a derivative of vitamin C that converts into the active form once applied to the skin, which helps minimize the irritation potential. LIGHTWEIGHT, WATER BASED FORMULA: Offers a less potent but more stable alternative to direct vitamin C in a gentle,