A patented daytime vitamin C serum that delivers advanced environmental protection and improves the appearance of fine lines and wrinkles, loss of firmness, and brightens skin's complexion. Now clinically proven to reduce up to 48% of potential damage from free radicals formed by pollution, the sun, and metals. U.S. Patent No. 7,179,841. C E Ferulic® vitamin C serum features a synergistic antioxidant combination of 15% pure vitamin C (L-ascorbic acid), 1% vitamin E (alpha tocopherol), and 0.5% ferulic acid to enhance protection against environmental damage caused by free radicals that can contribute to visible signs of atmospheric aging. C E Ferulic® is now clinically demonstrated to reduce combined oxidative damage generated by UVA/UVB rays, ozone pollution, and diesel engine exhaust by up to 41%. In addition to antioxidant protective benefits, this vitamin C serum improves signs of aging and photodamage, the appearance of fine lines & wrinkles, and the loss of firmness, while brightening skin’s complexion. *Among medical aesthetic skincare brands. Brands sold by physicians or medical practices, in addition to other outlets or retailers.