3-Glyceryl Ascorbate
INCI: 3-GLYCERYL ASCORBATE
Reviewed by Kate · Last updated 14 Aug 2026
Also known as: 3-glyceryl Ascorbate
A stabilised form of vitamin C that works as an antioxidant and hydrating agent
Best For Skin Types
All, Sensitive, Mature
Addresses
Usage Frequency
Daily
What Is 3-Glyceryl Ascorbate?
3-Glyceryl ascorbate is a derivative of vitamin C (ascorbic acid) combined with glycerol. This modification makes it more stable than pure vitamin C whilst retaining antioxidant properties. It's a gentler alternative to some other vitamin C forms, designed to be easier for formulations to work with and potentially less irritating on skin.
The ingredient functions as both an antioxidant and a humectant, meaning it can help protect skin from free radical damage whilst also drawing moisture into the skin.
Benefits for Your Skin
How It Works
3-Glyceryl ascorbate works through two mechanisms. As an antioxidant, it neutralises free radicals — unstable molecules that can damage skin cells and contribute to visible ageing and inflammation. The ascorbic acid component is responsible for this protective effect.
The glycerol portion enhances hydration by acting as a humectant, drawing water from deeper skin layers and the environment into the outer layers. This helps improve skin's moisture content and can support a smoother appearance.
Clinical Evidence & References
Research specifically examining 3-glyceryl ascorbate is limited. Most evidence for vitamin C derivatives centres on their antioxidant potential and ability to support skin hydration, which aligns with the theoretical benefits of this ingredient. However, direct clinical studies comparing efficacy across different vitamin C forms remain sparse.
The ingredient is generally recognised as well-tolerated, though as with any active ingredient, individual responses vary. Allergic contact dermatitis has been documented in isolated cases, suggesting patch testing may be advisable for those with known sensitivities.
How to Use
3-Glyceryl ascorbate is typically found in serums, moisturisers and treatments. It can be used daily as part of a morning or evening routine. Layer it on clean skin before heavier creams if using a serum formulation. Because it works well with other ingredients, it complements most skincare routines, though combining multiple active ingredients should be done gradually to assess tolerance.
Safety & Precautions
Frequently Asked Questions
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