- Step 1: Apply 5-7 drops in the morning after cleansing and toning, before moisturizer.
- Step 2: Follow-up with SPF before makeup application.
Storage
- Keep out of direct sunlight.
- Store in a dark, cool place.
- Keep cap on tightly when not in use.
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.
*2023 In-Vitro Antioxidant Potential Assay. Data on file at Obagi Cosmeceuticals LLC.