A clinically-proven antioxidant serum formulated with a novel form of Vitamin C plus 14 vital antioxidants that help protect against environmental stressors while helping to conserve elastin. Benefits of C-RADICAL Defense Formulated with a proprietary encapsulated novel form of Vitamin C (Sodium Ascorbate), which helps to defend against free radical damage while supporting the skin's ability to conserve elastin1. Proven to help reduce the effects of free radicals in the skin by up to 74%1. Helps brighten skin and reduce the appearance of fine lines, wrinkles, photodamage, and other signs of aging. Works to help refine skin texture and reduce the appearance of redness and brown spots. 15 proven antioxidants to help neutralize free radicals, protect against UV damage and other environmental stressors such as blue light and pollution. https://alastin.com/products/c-radical-defense-antioxidant-serum