Treat your skin to the protective properties of Obagi Professional-C Serum, a concentrated anti-aging serum formulated with 20% Vitamin C to address signs of aging. Melting effortlessly into skin, the solution combines L-ascorbic Acid with Hyaluronic Acid to plump skin with moisture while brightening the look of hyperpigmentation for a radiant, youthful-looking appearance. Delivering effective antioxidant protection against UV damage, it helps prevent signs of premature aging and leaves skin feeling moisturized and protected. Suitable for all skin types. Free from parabens. Dermatologist tested.