The intensely moisturizing formula boosts hydration as antioxidants guard against harmful UV rays and other environmental stresses. Our Concentrated Vitamin C Serum works to renew dull, uneven, aging skin's appearance. We use a stabilized form of Vitamin C that is less likely to degrade than unstabilized Vitamin C before being absorbed by the skin. This powerful antioxidant works to create a brighter, more youthful-looking complexion. Enriched with: Vitamin C: A potent antioxidant with skin-brightening and anti-aging properties Hyaluronic Acid: This substance may help deliver antioxidants and essential hydration. Aloe: The gel extract from this plant helps provide moisture and softens, soothes, and detoxifies skin. Vitamin E: An antioxidant that helps improve the moisture and appearance of skin’s texture. Clinical results confirm: 82% Improved in skin radiance / brightness* Notes: *Based on results from independent 6-week clinical studies on the Vitamin C line that included the Vitamin C Daily Brightening Cleanser, Vitamin C Concentrated Serum, Vitamin C Renewing Moisturizer, and Vitamin C Intense Night Cream.