Obagi Professional-C Serum 20% 1 oz. Product
SERUM 20%
SERUM 20%
Obagi Professional-C Serum 20% 1 oz. Product
SERUM 20%
SERUM 20%
BESTSELLER
4.5
Rated 4.5 out of 5 stars
172 Reviews

SERUM 20%

Vitamin C Serum For Normal to Oily Skin

Regular price $150.00
Size

SERUM 20%

Best for
Skin Discoloration - color
Skin Discoloration

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.

    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.

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    • Product 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 d...
      Professional C® Serum 10% is formulated with L-Ascorbic Acid to help brighten and even skin tone, strengthen skin's antioxidant defenses and improve the appearance of fine lines and wrinkles withou...
      Professional C® Serum 15% is formulated with L-Ascorbic Acid to help brighten and even skin tone, strengthen skin's antioxidant defenses, and improve the appearance of fine lines and wrinkles. For ...
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      Skin Types
    4.5
    Rated 4.5 out of 5 stars
    Based on 172 reviews
    172 reviews
    • Chelsi Z.
      Flag of United States
      Verified Buyer
      I recommend this product
      Age 35-44
      Gender Female
      Rated 5 out of 5 stars
      July 30, 2025
      Amazing brightening serum

      This serum is amazing. I started noticing a major difference within a couple weeks. My skin looks so much healthier.

      EffectivenessRated 5.0 on a scale of 1 to 5
    • Karen
      I recommend this product
      Rated 5 out of 5 stars
      July 17, 2025
      5 Stars

      I love this product and have been using it for some time now and my skin loves it!

    • Linda
      I recommend this product
      Rated 5 out of 5 stars
      July 11, 2025
      5 Stars

      Too expensive though!

    • M
      I recommend this product
      Rated 5 out of 5 stars
      June 27, 2025
      5 Stars

      Amazing

    • Patricia
      I recommend this product
      Rated 5 out of 5 stars
      June 25, 2025
      5 Stars

      Best vitamin C ever