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Obagi Professional-C Serum 20%

20% is the highest concentrated serum best for normal to oily skin.

We recommend everyone start with 10% regardless of what percentage they have used in the past.  Obagi is formulated for maximum penetration.  Many perceive Obagi 10% stronger than their previous brand.  A slight tingling may occur in some people, which will diminish with continued use.


Obagi Professional-C Serum 20%

20% - For the highest concentration on L-Ascorbic Acid

15% - For all skin types

10% - For dry, sensitive or reactive skin


Obagi Professional-C Serum uses stabilized ascorbic acid - the only form of Vitamin C that can be effectively absorbed by the skin.
Obagi Professional-C Serum provides superior antioxidant protection by fast acting deep penetration to the dermal layer that will not wash off.  The L-ascorbic acid helps to defend against damaging UVA and UVB rays, attacks free oxygen radicals, prevents premature signs of aging like fine lines and wrinkles, protects against future damage, and contributes to collagen synthesis.

Incorporate Obagi C-Serum into a daily skin care regimen to help achieve the look of bright, smooth, youthful looking skin, diminish hyper pigmentation and encourages the growth of collagen.  Hyaluronic acid binds moisture to your skin to prevent dryness.

Vitamin C Is “The Most Important Skin Antioxidant”1

Vitamin C may offer many useful benefits:

  • Helps minimize the appearance of fine lines and wrinkles
  • Calms inflammation2
  • Brightens skin3
  • Retains moisture4
  • Stabilizes Vitamin E5

Professional-C Peptide Products Can Provide Visible Signs of Improvement Within 1 Week4,† 

  • A majority of users felt their skin looked brighter
  • 75% of users stated that they prefer the feel of the products over their current products
  • 83% of users stated they would recommend the products to a friend
  • A majority of users appreciated these improvements in their skin:
    • Had a youthful radiance
    • Felt smooth
    • Looked and felt firmer

†Based on a consumer survey of more than 35 responders.  

References: 1. McCall-Perez F, Stephens TJ, Herndon JH Jr. Efficacy and tolerability of a facial serum for fine lines, wrinkles, and photodamaged skin. J Clin Aesthet Dermatol. 2011;4(7):51-54. 2. OMP, Inc. Data on file. 3. UL consumer survey, sunscreen. OMP, Inc. Data on file. 4. UL consumer survey, peptide products. OMP, Inc. Data on file. 


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Obagi Professional-C Serum 20%

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Professional-C Serum 20%

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