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Obagi Professional-C Serum 20% (1.0oz)

Obagi Professional-C Serum 20% (1.0oz)

44 reviews


  • $107.95
  • Save $19

Obagi Professional-C Serum 20% contains 20% concentration of L-ascorbic acid (Vitamin C) and is the strongest and most powerful serum in the Professional-C line. It has been designed specifically for protecting the skin against damage from environmental stressors and neutralizes free radicals and molecules that bombard the body cells continuously. The Professional-C Serum 20% also helps to reduce signs of aging, prevent formation of wrinkles and fine lines, insulate the skin cells against further damage, and revamp collagen production for firm and resilient skin. Incorporating a C-Serum into a daily skin care regimen will help achieve the look of bright, smooth, youthful looking skin.


  • Strongest and most potent serum in the Professional-C line of products
  • Contains 20% Vitamin C in a smooth serum
  • Helps reduce the signs of aging


How To Use:

Apply a couple drops of Obagi Professional-C Serum 20% to the face and neck using fingertips. Use on 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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Customer Reviews
4.9 Based on 44 Reviews
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United States United States
Onshore professional - c serum

Perfect !!! Thank you. 20 present serum.!!

United States United States
Highly recommend

Love this item makes my face feel refreshed/ plump.I’ve used it for years and I constantly get compliments on how young my skin looks.

Marsha W.
United States United States

We have never received the item we paid for. We have sent 2 emails to customer service and have never heard back from them. We would like to talk with someone about the product we paid for and have never received.

Yolanda P.
United States United States
C-Serum is the BEST

I truly believe this of all my obagi products I use is the most beneficial for my skin. Best product for me

April S.
United States United States
Obagi Vitamin C is the best

Obagi Vitamin C has done wonders for my skin

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