Award-winning vitamin C combination antioxidant serum proven to deliver advanced environmental protection against atmospheric skin aging. Powerful Daytime Vitamin C antioxidant that delivers advanced 8x environmental protection, helps prevent free radical damage & improves the appearance of fine lines, wrinkles & loss of firmness. C E Ferulic 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. This topical antioxidant serum neutralises free radicals, while C E Ferulic improves signs of photo-damage, the appearance of lines and wrinkles, and the loss of firmness. SkinCeuticals research shows that specific combinations of antioxidants, when effectively formulated, perform synergistically to provide results superior to each single antioxidant formulation. Skin Type: Normal, Dry, Combination