This high-performance serum transforms the look of skin with Idebenone* the most powerful antioxidant. Helps reverse the signs of environmental damage, the No. 1 cause of aging skin. Clinically proven to reduce the appearance of fine lines, wrinkles, sun damage and uneven skin texture. (*When compared to antioxidants in face products, Idebenone in PREVAGE® surpasses alpha lipoic acid, kinetin, vitamin C, vitamin E and ubiquinone in environmental protection against oxidative stress due to sun, smoke and pollution).