3-O-Ethyl Ascorbic Acid
Ethylated vitamin C
1. INCI et CAS
INCI: 3-O-Ethyl Ascorbic Acid · CAS: 86404-04-8
2. Rôle dans la formule
3-O-ethyl ascorbic acid is used in cosmetic serum guides. It is not a drug and not a measured brightening percentage.
3. Niveaux d'emploi typiques (repère de formulation)
- 1–3% is listed for serums for the formula.
- The gel-creams use-level reference is 0.5–2% for the formula.
For dissolution, use water. Keep the bulk cool and protected from light.
4. Sources réglementaires et conformité mondiale
- Use CosIng's information on 3-O-Ethyl Ascorbic Acid as a reference, then verify the specific grade and intended use under market rules.
- EU cosmetics rules under Regulation (EC) No 1223/2009 require an assessment addressing the safety of the finished product that contains 3-O-Ethyl Ascorbic Acid for the specific product as it will be marketed.
- For 3-O-Ethyl Ascorbic Acid, check the purchased grade against its supplier TDS and review filing requirements in the destination market.
5. Sécurité et évaluation des risques
The use-level note is a reference for cosmetic formulation; the listed level does not itself confer drug or OTC status so patch response and stability should be checked on the finished product.
6. Stabilité et conditionnement
Hold the bulk material in a sealed, cool place shielded from light; where oxidation is a concern, evaluate airless or pump packaging; confirm final stability and pack compatibility on a representative batch.
7. Formulations d'allégations (à faire / à éviter)
- The recorded cosmetic positioning for 3-O-Ethyl Ascorbic Acid highlights ethylated vitamin C.
- This formulation entry does not demonstrate a drug effect, a clinical cure, or certification status not established for the SKU.
- The ingredient note for 3-O-Ethyl Ascorbic Acid cannot establish whitening, acne-treatment, antiperspirant, sun-protection, or hair-growth benefits.










































