C15 Super Booster contains a highly concentrated form of vitamin C and an assortment of skin-stabilizing antioxidants and skin-replenishing ingredients that combine to provide exceptional results that improve the appearance of uneven skin tone, brighten a dull complexion, and help skin ward off the appearance of environmental assaults. It's a concentrated, light-as-water liquid anti-aging solution to supercharge your skin, whether used alone or mixed with your serum or moisturizer. A blend of 15% stabilized vitamin C (l-ascorbic acid), potent antioxidants including vitamin E and ferulic acid, and skin-smoothing peptides helps diminish visible signs of aging for smoother, brighter, and firmer-feeling skin. You'll see dramatically younger-looking and more radiant skin day after day! PACKAGING MAY VARY