Serum 10 AOX+

A antioxidant that offers environmental protection against free radicals
while improving the appearance of fine lines and wrinkles.

  • Evens skin tone
  • Diminish fine lines
  • Retextures
  • Radiance

Suitable For

  • All skin types including sensitive skin
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All Brands All Categories Anti-Aging Anti-oxidant Brightening Conditions Daily Skincare Dark Circles and Hollows Deep Nasolabial Folds Dry Skin Dull Skin Enlarged Pores Lines And Wrinkles Normal Skin Oily Skin Pigments Sagging Brows and Eyelids Sensitized Skin Skin Laxity and Sagginess Skin Type SkinCeuticals


Normal Skin Sensitized Skin


Anti-oxidant is essential as part of the anti-aging skincare routine. It offers inside protection by strengthening skin’s resilience from free radical damage induced by environmental stressors like UVA, UVB, IRA and pollution.
It offers outside correction to improve skin tone, diminish fine lines, enhance radiance and retexture.
Complements injectables, chemical peels, laser procedures for photodamage, laxity and rosacea.
This lightweight antioxidant serum combines 0.2% ferulic acid with 10% pure vitamin C (L-ascorbic acid) for enhanced antioxidant performance.

It is formulated under the Duke Antioxidant patent. Vitamin C is a highly-potent antioxidant that is, by its structure has difficulty being effectively absorbed by the skin.
The Duke Antioxidant patent outlines the formulation parameters required for effective delivery of vitamin C to skin:

  • pure L-ascorbic acid (vitamin C)
  • an acidic pH within the 2.0-3.5 pH range
  • a concentration between 10%-20%

SkinCeuticals is the only brand to formulate antioxidants according to these parameters.


In the morning after cleansing, apply 4-5 drops of this antioxidant serum to a dry face, neck, and chest before other skincare products. May also be used on backs of the hands.

It is normal for vitamin C products to darken after opening due to air and light exposure. The formula will remain effective. Once opened, it is recommended to be used within 3 months of opening.
Complete your regimen with a SkinCeuticals sunscreen. When used together, SkinCeuticals antioxidants and broad spectrum sunscreens provide more comprehensive protection against visible aging caused by environmental aggressors.


10% L-ascorbic acid: Lauded for its superior antioxidant benefits, this highly potent form of pure vitamin C helps neutralize free radicals and protect against oxidative stress while providing visible anti-aging benefits.

0.2% ferulic acid: A plant-based antioxidant, ferulic acid neutralizes free radicals and enhances the antioxidant benefits and stability of vitamins C.