Vitamin C is the most abundant antioxidant in the skin, but not all the Vitamin C we consume makes it to our epidermis. Instead, topical supplementation becomes a requirement for most individuals. Direct Delivery Vitamin C is a sophisticated serum with potent antioxidant concentrations. It includes four bioadaptable™ types of Vitamin C to prevent, reduce, and repair free radical damage in the skin. This supreme dermal rebuilding formula brightens the skin while promoting fibroblast activity and collagen synthesis. It also improves skin texture, softness, firmness, tone, and brightness.