Obagi Professional-C Serum - new formulations in Vitamin C to neutralize free radicals at all layers of the skin, before they damage skin cells and accelerate aging.
5% L-ascorbic acid is an optimum strength for all skin types.

Obagi Professional-C Serum offers:
• Superior delivery system, resulting in greater penetration to all layers of the skin
• Maximum daily antioxidant protection
• Greater stability than competitive C products
• Low side effect profile

• Apply 5 to 7 drops of Obagi Professional-C Serum to the face, neck and chest using fingertips. Apply to cleansed skin in the morning before sunscreen and makeup application. A slight tingling may occur in some people, which diminishes with continued use.

Water, Ascorbic Acid, Sodium Lauryl Sulfate, Fragrance, Sorbitol, Calcium Hydroxide, Zinc Chloride, Sodium Hyaluronate, Phenoxyethanol, Sodium Bisulfite.