3-O-Ethyl-L-Ascorbic Acid
Professional cosmetic ingredient — not a finished product.
Key Specs
| INCI |
3-O-Ethyl Ascorbic Acid |
| CAS No. |
86404-04-8 |
| Appearance |
White to off-white powder |
| Solubility |
Soluble in water/ethanol; limited in oils |
| pH Guidance |
~4.0–6.0 preferred |
| Typical Usage |
0.5–3% |
Why formulators like it
- Stable vitamin C derivative
- Brightening/clarity support
Formulation Guide
- Add in cool-down to reduce degradation
- Use chelator + antioxidants for stability
- Avoid alkaline pH and long heat
Troubleshooting
-
Clumping or poor dispersion? Pre-disperse in glycerin or mix under higher shear.
-
Stability concerns? Use chelators/antioxidants and respect pH/temperature limits.
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Texture too thick/thin? Adjust gums, electrolytes, or solvent ratios.
Storage & Safety
Store tightly closed in a cool, dry place away from light and heat. For external use only. Patch test finished products before regular use.
