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Obagi Professional-C Serum 20%

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Exceptional antioxidant protection is exactly what Obagi Professional-C Serum 20% offers your skin.

This Obagi serum has been specifically formulated to provide deep penetration. Containing 20% L-Ascorbic acid for maximum strength, Obagi Professional-C Serum 20% is strong enough to be effective yet gentle enough all for skin types even for those with sensitive skin or rosacea prone individuals.

Obagi Professional-C Serum 20% is so effective in part because it offers up to 2x's the skin penetration of other Vitamin C products on the market, which means more protection and antioxidants reaching deep into your skin where they can do the most good. Thanks to this Obagi Vitamin C serum, it is now possible to achieve greater penetration to all layers of the skin and the gentle formula is stable, has a low side effect profile and is highly effective.


  • Boosts Collagen
  • Restores Glowing Skin
  • Long-Lasting Protection

Perfect for: All Skin Types, Especially Mature Skin

We encourage you to read all of our Obagi reviews at Additionally, please contact our skin care experts at with any questions you may have.


Propylene Glycol, Water, L-Ascorbic Acid, Alcohol, Ascorbyl Glucoside, Ethoxydiglycol, Phenoxyethanol, Sorbitol, Sodium Hyaluronate, Zinc Chloride, Calsium Hydroxide, Fragrance.

Usage Instructions 

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.

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