High-Potency Vitamin C Serum for Normal to Oily Skin
Concentrated L-Ascorbic Acid to Brighten, Firm & Defend
Experience the power of pure Vitamin C with Obagi’s most potent antioxidant serum. Formulated with 20% L-Ascorbic Acid, the gold standard of Vitamin C, this professional-grade serum delivers maximum skin-brightening benefits while reducing the appearance of fine lines, wrinkles, and photoaging.
Designed for normal to oily skin types, the lightweight formula absorbs quickly and penetrates deeply to fortify the skin barrier and neutralize free radical damage.
Key Benefits
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Contains 20% L-Ascorbic Acid—the most effective form of Vitamin C
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Visibly reduces signs of skin aging including fine lines and wrinkles
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Helps fade dark spots and uneven tone for a brighter complexion
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Strengthens skin’s defences against pollution and environmental stressors
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Instantly absorbs with a smooth, non-greasy finish
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Clinically shown to deliver 5X better absorption than other leading competitors*
Why It Works
Obagi’s Professional-C® Serum 20% is expertly balanced for pH and potency, delivering L-Ascorbic Acid in a highly stable and effective form. Results include visibly firmer, more radiant skin—with 91% of users reporting improved brightness and hydration.**
Key Ingredient
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L-Ascorbic Acid (20%) – The purest and most potent form of Vitamin C, known to reduce oxidative stress, even skin tone, and boost collagen production.
How to Use
Apply 5–7 drops in the morning to cleansed face, neck, and décolleté. Follow with moisturiser and sunscreen.
Science & Innovation You Can Trust
With 30+ years of clinical research, Obagi creates dermatologist-tested, inclusive skincare backed by real science—for real results, for every skin type.