Discover Obagi’s bestselling Professional C® Serum 20%, formulated with 20% L-Ascorbic Acid and Sodium Hyaluronate. Fast-absorbing serum helps to brighten and even skin tone, reduce the appearance of dark spots, strengthen antioxidant defenses, and improve the appearance of fine lines and wrinkles. For a supercharged, hydrated glow and more youthful-looking skin. Ideal for normal to oily skin types.

• Combats oxidative stress induced by blue light and infrared radiation* that cause early signs of skin aging
• Formulated with L-Ascorbic Acid to brighten skin
• Helps to neutralize free radicals

*2023 In-Vitro Antioxidant Potential Assay. Data on file at Obagi Cosmeceuticals LLC.

Key Ingredient

• L-ascorbic Acid 20%: 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 tone.

• Step 1: Apply 5-7 drops in the morning after cleansing and toning, before moisturizer.
• Step 2: Follow-up with SPF before makeup application.
• Note: Use within 3-6 months of first opening.

Propylene Glycol, Aqua/Water/Eau, L-Ascorbic Acid, Alcohol, Ascorbyl Glucoside, Ethoxydiglycol, Phenoxyethanol, Sorbitol, Sodium Hyaluronate, Zinc Chloride, Calcium Hydroxide, Fragrance (Parfum).