Key takeaways
Vitamin C helps support brighter-looking skin and healthy-looking radiance.
Vitamin C provides antioxidant benefits that help support skin exposed to everyday environmental stressors.
Vitamin C is available in different forms, including ascorbic acid and Vitamin C derivatives such as Vitamin Cg.
Vitamin Cg (ascorbyl glucoside) is a stabilized Vitamin C derivative that gradually converts to Vitamin C on the skin's surface.
Not all Vitamin C products are formulated the same. Some, including those made with Vitamin Cg, are specifically designed for normal to dry, sensitive skin.
What is Vitamin C?
Vitamin C is a popular skincare ingredient used to help support brighter-looking skin, healthy-looking radiance, and a more even-looking complexion. It's commonly found in serums and other skincare products because of its antioxidant benefits. 1, 4, 5
Vitamin C is one of the most widely used skincare ingredients and comes in different forms, including ascorbic acid and Vitamin C derivatives such as Vitamin Cg (ascorbyl glucoside). Whether you're looking to boost your glow or support healthier-looking skin overall, Vitamin C or Vitamin Cg can be a valuable addition to your daily skincare routine. 1, 4, 5, 10, 11
What does Vitamin C do for skin?
Vitamin C helps support skin in three important ways: by helping nourish the skin, improve the look of skin dullness, and visibly smooth the look of skin. 1, 5, 6, 8, 10
Helps defend skin from everyday stressors
Every day, your skin is exposed to pollution and other environmental stressors. Vitamin C helps support the skin's natural defenses with antioxidant benefits, helping keep skin looking healthy, bright, and radiant. 1, 4, 5, 6, 8
Helps reveal brighter-looking skin
If your complexion is looking dull or uneven, Vitamin C can help improve the look of overall radiance and support a more even-looking skin tone over time. 4, 5, 8, 9
Helps maintain smoother, healthier-looking skin
As part of a consistent skincare routine, it can help skin maintain a smoother, firmer appearance. 1, 5, 7, 9
Is Vitamin C right for your skin?
Vitamin C can be a great addition to many skincare routines, especially if you're looking to boost radiance. 4, 5, 7, 8
Because it addresses several common concerns at once, Vitamin C is often considered a skincare staple. You may want to consider adding Vitamin C to your routine if you're looking to:
Brighten dull-looking skin 4, 7, 8
Improve the appearance of uneven tone 4, 5, 9
Reduce the look of dark spots 5, 8, 9
Support smoother-looking skin 5, 8, 10
Maintain healthy-looking skin over time 3, 4, 5, 7
Why use a Vitamin C serum?
A Vitamin C serum is an easy way to add antioxidant benefits to your daily skincare routine.
Serums are lightweight and easy to layer into a skincare routine. Applying a Vitamin C serum after cleansing can help support brighter-looking skin and overall radiance. 4,5

Vitamin C for sensitive skin
If you have sensitive skin, the form of Vitamin C you choose can make a difference.
Vitamin C is known for helping brighten skin and support healthy-looking radiance. However, not all Vitamin C skincare products use the same form of Vitamin C. Traditional Vitamin C serums often use ascorbic acid, while other products use Vitamin C derivatives designed to offer Vitamin C benefits in a more stable form. 11
One example is Vitamin Cg (ascorbyl glucoside), a stabilized Vitamin C derivative. Vitamin Cg gradually converts to Vitamin C on the skin's surface, helping provide antioxidant and brightening benefits while remaining stable in skincare formulations. Because it can be formulated at a less acidic pH than traditional Vitamin C, Vitamin Cg is often a good option for normal to dry, sensitive skin. 11,12
Aveeno® Positively Radiant® Vitamin C Serum is formulated with Vitamin Cg and designed for normal to dry, sensitive skin. The lightweight, non-greasy formula is fragrance-free and non-comedogenic, making it easy to incorporate into your daily skincare routine. The formula is proven to deliver greater antioxidant properties than 15% pure Vitamin C* and helps deliver glowing skin in as little as 1 week, even for sensitive skin.
*Based on SOD data on finished product
How to get the most out of Vitamin C
When it comes to Vitamin C, consistency is key. 4, 5, 7
To help make the most of your routine:
Use Vitamin C regularly as directed.
Wear sunscreen every day.
Follow with moisturizer for added hydration.
Give your routine time; visible improvements don't happen overnight.
Stick with a routine that works for your skin.

FAQs
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- National Institutes of Health, Office of Dietary Supplements. (n.d.). Vitamin C fact sheet for health professionals. U.S. Department of Health and Human Services, https://ods.od.nih.gov/factsheets/VitaminC-HealthProfessional/
- American Academy of Dermatology Association. (n.d.). 10 anti-aging skin care tips from dermatologists, https://www.aad.org/public/everyday-care/skin-care-secrets/anti-aging/reduce-premature-aging-skin







