iS Clinical C Eye Serum Advance+ is a cutting-edge formulation that effectively combines a 7.5% concentration of our scientifically-advanced L-Ascorbic Acid (Vitamin C) with Copper Tripeptide Growth Factor for enhanced age-defying properties. This powerful yet gentle formula is designed to help diminish the appearance of fine lines, wrinkles, under-eye puffiness and dark circles. C Eye Serum Advance+ also helps to noticeably improve skin tone and texture and deliver enhanced antioxidant protection.