Experience powerful anti-aging benefits with SkinCeuticals Phoretin CF® with Ferulic Acid. A daytime Vitamin C antioxidant serum proven to deliver advanced environmental protection as well as improving the appearance of fine lines, discoloration, and uneven skin tone. Phloretin CF® features a patented combination of 2% phloretin, 10% pure Vitamin C (l-ascorbic acid), and 0.5% ferulic acid for enhanced protection against atmospheric skin aging.