PCA SKIN C&E ADVANCED OVERVIEW Our most advanced antioxidant formula diminishes dark spots, soothes irritated skin and reduces signs of aging. KEY FEATURES AND BENEFITS Contains L-ascorbic acid and tocopherol Includes hexylresorcinol and silymarin Has a stable anhydrous formula that prevents antioxidant degradation KEY INGREDIENTS L-ascorbic Acid (Vitamin C) (20%) - an antioxidant and matrix metalloproteinase inhibitor (MMPi) that is pure vitamin C; it minimizes the appearance of fine lines and wrinkles while promoting an even skin tone. Tocopherol (Vitamin E) (5%) - a lipid-soluble antioxidant vitamin and emollient ingredient. Hexylresorcinol (1%) - an age-fighting anti-glycation agent that brightens and promotes an even skin tone while reducing future discoloration. Silymarin (1%) - a powerful antioxidant derived from milk thistle that has skin-calming and brightening benefits and helps fight free radical damage. HOW DO I USE PCA SKIN C&E ADVANCED? After cleansing, toning and applying any PCA SKIN serums, apply to the face and neck in the morning. One might experience a slight tingling sensation upon application. Follow with the appropriate PCA SKIN broad spectrum SPF product in the daytime and moisturizer in the evening.