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Obagi Professional-C Serum 20% (1.0oz)

Obagi Professional-C Serum 20% (1.0oz)

54 reviews


  • $133.00

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 54 Reviews
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Filter Reviews:
Crystal S.
United States United States
obagi 20% Vitamin C serum

I have been using this serum since 2005 twice a day — LOVE it Keeps my facial skin wonderful — It is TOOO Pricey… Sure wish it wasn’t so much so more people could enjoy it — I have to wait for BIG Sales!! & its still High!!

Dima A.
United States United States

The best! I’ve been using it for years!

Dulcie F.
United States United States
Really good serum.

Packaging was good. Delivery takes longer than I like but it is as it is.

gloria s.
United States United States

Been using this product for several years.Love it.

Colleen F.
United States United States

Love it, it is like magic, my skin comes alive with the nourishment it gives it!

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