DescriptionHigh-performance Vitamin C antioxidant serum developed for most skin types.Daily use helps to fortify skin and safeguard a more youthful appearance. Formulated with pure L-ascorbic acid to optimize efficacy and permeability. Obagi Professional-C Serum 15% is a highly concentrated serum with antioxidant L-Ascorbic Acid for most skin types.Key Benefits: L-ascorbic acid (Vitamin C) aids in restoring skin antioxidant strength to help skin appear younger for longer Promotes a more even skin tone and a brighter complexion Helps retain moisture and minimize the appearance of fine lines and wrinkles IngredientsL-Ascorbic Acid 15%Known as the purest form of Vitamin C, L-Ascorbic Acid helps neutralize free radicals, minimize the look of fine lines and wrinkles, and brighten skin toneDaily Use of Vitamin C:- Proactively fortifies the skin defenses against environmental assaults.- Encourages skin to rebound from previous, visible damage for an improved appearance of fine lines, wrinkles and uneven skin tone.- Aids in restoring skin's antioxidant strength to help skin appear younger for longer.Propylene glycol, water, L-ascorbic acid, alcohol, ascorbyl glucoside, fragrance