SERUM 20%

Description

Discover Obagi’s bestselling Professional C® Serum 20%, formulated with 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.

91% of users reported skin appeared bright and more hydrated*
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
*Obagi survey analysis, Vitamin C products: April 28, 2010. Data on file at Obagi Cosmeceuticals LLC.

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

Best of Beauty – SKIN – Best Antioxidant Facial Serum by Allure, 2025

Editor’s Choice Awards – Dermatologist Favorite Vitamin-C Serum by Oprah Daily, 2025

Ingredients

L-ascorbic Acid
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.

Full Ingredients
Propylene glycol, aqua/water/eau, ascorbic acid, alcohol denat., ascorbyl glucoside, ethoxydiglycol, sorbitol, sodium hyaluronate, fragrance (parfum), citrus aurantium dulcis (orange) peel extract, citrus paradisi (grapefruit) fruit extract, phenoxyethanol, calcium hydroxide, zinc chloride, citric acid, caprylyl/capryl glucoside, amyl cinnamal, limonene, hexyl cinnamal, benzyl benzoate.

Safety information

PRECAUTIONS

• For external use only.
• Avoid direct contact with eyes, nose, mouth and lips.
• Some users of this product may experience a slight tingling, which should diminish with continued use.
• If tingling becomes severe, stop use and consult a doctor.

How To Use

• 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.

Storage

• Store at controlled and consistent humidity and temperature not exceeding 25°C (77°F).
• Keep out of direct sunlight.
• Store in a dark, cool place after opening.
• Keep cap on tightly when not in use.