CeraVe Skin Renewing Vitamin C Serum is designed to brighten skin, promote an even skin tone, and provide anti-aging benefits. It contains 10% pure vitamin C (L-ascorbic acid), which is the purest form of vitamin C and offers antioxidant protection. The serum also includes Hyaluronic Acid to hydrate the skin, improving its texture and overall radiance for a healthy-looking complexion.