Ethyl Ascorbic Acid
INCI: 3-O-Ethyl Ascorbic Acid
Stable vitamin C derivative with an ethyl group. Irritates the skin less than pure L-ascorbic acid and retains activity in neutral-pH formulas.
BrighteningAnti-aging
Evidence by route
Topical application
CWeak evidence. In vitro data, open-label studies, or expert consensus.
Penetrates the skin through enzymatic cleavage to ascorbic acid. Clinical studies are fewer than for pure L-ascorbic acid, but a brightening effect in individual studies holds up.
Tolerability and safety
Irritation potential
LowAllergen risk
LowPregnancy
SafeSkin types
Suitable for
OilyDrySensitiveCombinationNormal
Frequently asked questions
Is Ethyl Ascorbic Acid safe during pregnancy?
Ethyl Ascorbic Acid is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Ethyl Ascorbic Acid for?
Ethyl Ascorbic Acid suits: oily, dry, sensitive, combination, normal.