3-Ethylhexylglyceryl Ascorbate
INCI: 3-ETHYLHEXYLGLYCERYL ASCORBATE
Reviewed by Rosie · Last updated 2 Jun 2026
Also known as: 3-ethylhexylglyceryl Ascorbate
A stabilised vitamin C derivative that works as an antioxidant and humectant
Best For Skin Types
All, Oily, Combination, Dry, Sensitive, Mature
Addresses
Usage Frequency
Daily
What Is 3-Ethylhexylglyceryl Ascorbate?
3-Ethylhexylglyceryl ascorbate is a chemically modified form of vitamin C (ascorbic acid). It's created by attaching an ester group to vitamin C, which improves its stability in skincare formulations and enhances its ability to penetrate the skin barrier compared to pure vitamin C.
Like other vitamin C derivatives, it functions as an antioxidant—helping neutralise free radicals generated by environmental stressors like UV exposure and pollution—and as a humectant, meaning it can help attract and retain moisture in the skin.
Benefits for Your Skin
How It Works
As an antioxidant, 3-ethylhexylglyceryl ascorbate neutralises reactive oxygen species (free radicals) that accumulate in skin when exposed to environmental stress. By reducing oxidative stress, it may help minimise associated skin concerns including premature ageing and uneven tone.
The ester modification allows this form of vitamin C to remain stable in formulations and to cross the skin barrier more effectively than unmodified ascorbic acid. Once absorbed, it is believed to be converted into active vitamin C within skin cells, though the efficiency of this conversion varies.
Clinical Evidence & References
Research supports vitamin C's theoretical benefits in skin health, including its role in collagen synthesis, UV damage mitigation, and antioxidant protection. However, the evidence gap between these known biological functions and the proven efficacy of topical vitamin C application—whether derivative or pure form—remains notable. Most studies focus on vitamin C's role when obtained through diet rather than skincare.
Vitamin C derivatives like this one were developed to overcome the stability and absorption limitations of pure ascorbic acid. Limited direct clinical data exists comparing this specific derivative to other vitamin C forms or to placebo in human studies. The potential benefits are plausible based on the ingredient's chemistry, but individual results may vary.
How to Use
Use products containing this ingredient as directed on the label, typically once or twice daily. It can be layered with other skincare steps, though it works best in a consistent routine rather than as an occasional treatment. Store products in a cool place away from direct sunlight to preserve stability, and introduce any new product gradually to monitor tolerance.
Safety & Precautions
Frequently Asked Questions
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