NIB SEALED 1 oz bottle SkinCeuticals' C E Ferulic features a synergistic antioxidant combination of ferulic acid and pure vitamin C and E to enhance your skin's protection against environmental damage caused by free radicals. In addition to antioxidant protective benefits, this formula improves signs of aging and photodamage to reduce the appearance of lines and wrinkles while firming and brightening your complexion. Lastly, this powerful formula helps neutralize free radicals induced by UVA/UVB, infrared radiation (IRA) and ozone pollution (O3). Key Ingredients: 15% Pure Vitamin C (L-Ascorbic Acid): provides visible anti-aging benefits, brightens skin and helps protect against oxidative stress 1% Vitamin E (Alpha Tocopherol): this pure form of vitamin E neutralizes free radicals and replenishes skin lipids 0.5% Ferulic Acid: a plant-based antioxidant, ferulic acid neutralizes free radicals and enhances the antioxidant benefits and stability of vitamins C and E Key Benefits: Provides advanced environmental protection from skin-damaging free radicals caused by sun and pollution Clinically proven to reduce combined oxidative damage from free radicals generated by UV, ozone, and diesel exhaust by up to 41%