Vitamin C+ Combination Antioxidant Treatment is a powerful antioxidant serum with proven results for a more youthful appearance. Vitamin C+ Serum delivers a maximum amount of antioxidants which provide a high amount of photo protection to the skin. This chemically unmatched super-stable serum is ideal for environmental protection against aging. Continued use evens out skin tone, reduces slight skin redness, and adds balance to the skin due to its synergistic antioxidant ingredient interaction.