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Serum 10 AOX+ Vitamin C serum for sensitive skin

Serum 10 AOX+ is rated 4.6 out of 5 by 31.
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A daytime introductory vitamin C serum for sensitive skin that offers environmental protection and improves the appearance of aging

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In Stock

Product Details

Ideal for sensitive skin types or those new to vitamin C antioxidant serum, Serum 10 AOX+ utilizes 10% pure vitamin C (l-ascorbic acid) and 0.2% ferulic acid to help neutralize damaging free radicals that contribute to atmospheric skin aging – environmental damage and premature signs of aging caused by free radicals from UVA/UVB radiation. In addition to providing the benefits of vitamin C, this antioxidant serum also helps improve the appearance of fine lines and wrinkles.

  • Neutralizes damaging free radicals caused by environmental aggressors
  • Reduces the appearance of fine lines and wrinkles and helps restore healthy-looking skin
  • Paraben-, fragrance-, alcohol-, and dye-free
  • Ideal as an introductory antioxidant serum for all skin types, including sensitive

How To Use


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.

  • Science & Proof

  • Science

    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 by its structure has difficultly being effectively absorbed by skin. The Duke Antioxidant patent outlines 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.

Key Ingredients

  • 10% L-ascorbic acid
  • 0.2% ferulic 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.

Learn more about L-ascorbic acid

See all ingredients

aqua / water / eau, ascorbic acid, ethoxydiglycol, propylene glycol, glycerin, zinc sulfate, phenoxyethanol, panthenol, ferulic acid, sodium hyaluronate, sodium hydroxide

Physician Insight

Physician image

The Serum 10 AOX+ is the perfect product to use every morning to help fight off the daily battery of free radicals created by both UV radiation and pollution. These 2 factors lead to signs of aging. It's like OJ for your face and you need it every morning!

Dr. Needa Nosrati - Village Dermatology

Learn about Dr. Nosrati

Complete Your Regimen


Rated 5 out of 5 by from I love love this vitamin C serum. Im in my 20s and I dont need a super high % of vitamin C yet. Its great for a starter or sensitive skin. Its really thin and a little too watery to handle. Smells like vitamin C, which is rubber and Hot dog water... but I highly recommend.
Date published: 2020-08-15
Rated 4 out of 5 by from I started using this serum about three weeks ago. It’s recommended as similar to their CE Ferulic serum but if you have sensitive skin, and it’s the lighter version. I didn’t notice a huge difference but I’m guessing that’s because it’s not as strong. I use it in the morning under sunscreen and the difference I notice is subtle but enough that I want to try the stronger version. It makes my skin very smooth and evenly textured. Without it, it feels rough. I recommend trying this if you want to see what vitamin C does for you skin, I’m guessing it’s a little different for everyone. This version also isn’t as big of a financial commitment as the other one I think it’s about half the price.
Date published: 2020-07-20
Rated 5 out of 5 by from Perfect for my sensitive skin I have been using this vitamin C serum for a month now and I am extremely satisfied. I used vitamin C products from other very well-known brands in the past and I always had issues such as dryness, redness and irritation. So I stopped using vitamin C serums. When I saw this product on Skinceuticals I wanted to give it a try. I am happy to say the level of vitamin C (%10) is perfect for my sensitive skin and it gives a very nice glow. It's amazing to see how my skin quickly absorbs it and feels really good. This product is now a part of my skin regimen and I will definitely continue to use it.
Date published: 2020-06-10
Rated 3 out of 5 by from Want to love... I bought this because I have very sensitive (but early 40’s beginning to age) skin. I’ve been looking for a gentle, yet effective way to incorporate vitamin C into my regime and love Skinceuticals. Sadly, the bottle that I purchased is very dark yellow with a strong odor, which leads me to believe it’s oxidized. How can I get a fresh bottle to ensure maximum benefits?
Date published: 2020-05-27
Rated 5 out of 5 by from Bought on dermstore- I am so grateful this exists So grateful this product exists. I have sensitive acne-prone skin and all the ingredients in this are safe- no alcohol, no unnecessary pore clogging ingredients, and a gentler percentage of active ingredients. All you need are a few drops! Love love it
Date published: 2020-04-26
Rated 3 out of 5 by from Too thin to apply I would like this much better if it was a serum, but it's a pure liquid. It's like trying to apply 4 drops of water evenly to your face. Wouldn't purchase it again. Have only used it a few times so I can't speak to any results.
Date published: 2020-04-02
Rated 4 out of 5 by from Nurishing and non irritating, which is exactly what I was looking for. I will likely repurchase but may hesitate due to the price. I like that the packaging is glass. I like products that have actual scientific studies backing their claims. But this product did not really help with dark spots like I was hoping it would, but this is one of the few vitamin c serums I have been able to use without massive breakouts occurring. I am just about to finish my second bottle. May go for one of the stronger versions next time.
Date published: 2020-03-13
Rated 5 out of 5 by from First time trying this product and I really love it. A little goes a long way. My skin looks brighter after a months use. It might be a little drying but I follow it with my moisturizer.
Date published: 2020-02-19
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