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 ferulic acid serum brightens overall complexion while visibly improving effects from photodamage and eight different signs of aging, such as loss of firmness and the appearance of fine lines and wrinkles.