Serum 20 AOX+ is formulated with the precise concentration of 20% vitamin C that has been proven to provide maximum environmental protection and anti-aging benefits. This facial serum neutralizes free radical damage that contribute to atmospheric skin aging – environmental damage and premature signs of aging caused by free radicals from UVA/UVB. In addition to antioxidant benefits, this facial serum improves the appearance of fine lines and wrinkles.