prevent

C + AHA

A two-in-one daytime antioxidant serum that provides daily environmental protection and exfoliation for skin

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$135.00

30 ml

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Members Enjoy Complimentary US Ground Shipping on Orders $100 or More
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C + AHA is a two-in-one daytime antioxidant serum that works by two different mechanisms to help improve the appearance of skin. Formulated with 15% pure vitamin C (l-ascorbic acid) and a blend of 10% hydroxy acids, neutralizes free radicals and exfoliates skin to promote clear skin and minimize the appearance of blemishes. In addition to providing the benefits of vitamin C, this daytime antioxidant serum reduces the appearance of fine lines and wrinkles as it improves overall skin radiance.

  • Neutralizes damaging free radicals caused by environmental aggressors
  • Exfoliates dry, dull surface cells to help improve the appearance of blemishes and skin texture
  • Paraben-, fragrance-, alcohol-, and dye-free
  • Ideal for normal, combination, and oily skin types
skin types
Dry
Normal
Oily
Combination
skin condition
Discolorations
Acne
Aging

Science

Beaker
This daytime antioxidant serum blends the power of pure vitamin C (l-ascorbic acid) with a combination of 10% glycolic and lactic hydroxy acids at a pH that maintains their efficacy on skin. It is formulated under the Duke Antioxidant patent. Vitamin C is a highly-potent antioxidant that is, by its structure, difficult to effectively deliver on skin The Duke Antioxidant patent describes the formulation parameters required for effective delivery of vitamin C to skin: 1) pure l-ascorbic acid (vitamin C); 2) an acidic pH within the 2.0-3.5 pH range and; 3) a concentration between 10%-20%. SkinCeuticals is the only brand to formulate antioxidants according to these parameters.

How To Use

Skinceuticals

In the morning after cleansing, apply 4-5 drops to a dry face, neck, and chest. May also be used on the backs of the hands. Always finish your regimen with a SkinCeuticals broad spectrum sunscreen as this product contains hydroxy acids that can make skin more sensitive to UV rays. 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.


regimen

  • 1: Cleanse & Tone
  • 2: Prevent with C + AHA
  • 3: Correct
  • 4: moisturize
  • 5: Protect

Key Ingredients

15% l-ascorbic acid:

Lauded for its superior antioxidant benefits, this highly potent form of pure vitamin C helps neutralize free radicals and helps protects against oxidative stress while providing visible anti-aging benefits

Glycolic and lactic acids:

This blend of 10% alpha-hydroxy acids provides an exfoliating effect that helps minimize blemishes, improve skin texture, and increase radiance for healthy, clear skin

Ingredients

aqua / water / eau, ascorbic acid, triethanolamine, glycolic acid, propylene glycol, glycerin, citric acid, lactic acid, phenoxyethanol, zinc sulfate, disodium edta, sodium hyaluronate

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