Ingredient Directory
Low ConcernVegan

3-O-Ethyl Ascorbic Acid

Ethyl ascorbic acid / 3-O-Ethyl-L-ascorbic acid

Safety Notes

Stable vitamin C derivative with good skin penetration; both oil and water soluble (amphiphilic); more potent than some phosphate esters in bioconversion; growing evidence base; well-tolerated

Function & Common Use

Function

Active (vitamin C stable derivative)

Category

Active Ingredient

Common In

Brightening serums stable vitamin C products

Origin

Synthetic

Concentration Limits

India (CDSCO)

No limit

EU Cosmetics Reg.

No limit

Frequently Asked Questions

Is 3-O-Ethyl Ascorbic Acid safe to use in skincare?

3-O-Ethyl Ascorbic Acid has a Low concern rating from The Clean Sheet. Stable vitamin C derivative with good skin penetration; both oil and water soluble (amphiphilic); more potent than some phosphate esters in bioconversion; growing evidence base; well-tolerated

Is 3-O-Ethyl Ascorbic Acid allowed in India?

3-O-Ethyl Ascorbic Acid is currently classified as "Permitted" under Indian cosmetics regulations. No concentration limit is specified for India.

What is 3-O-Ethyl Ascorbic Acid used for in cosmetics?

3-O-Ethyl Ascorbic Acid functions as: Active (vitamin C stable derivative). It is commonly found in: Brightening serums stable vitamin C products.

TCS Assessment
Low Concern
Based on peer-reviewed safety data, regulatory status, and expert review by The Clean Sheet panel.

Regulatory Status

India (CDSCO)
Permitted
EU
Permitted
US FDA
Permitted
Korea (MFDS)
Permitted

Identifiers

CAS86404-04-8
ECN/A

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