Ethyl Ascorbic Acid ●
TL;DR. This ingredient is a water-soluble antioxidant and skin-conditioning active used in brightening and tone-evening products. It is also chosen because it is more formula-stable than many direct antioxidant options in this category.
What does Ethyl Ascorbic Acid do in a cosmetic formula?
This ingredient is a water-soluble antioxidant and skin-conditioning active used in brightening and tone-evening products. It is also chosen because it is more formula-stable than many direct antioxidant options in this category.
Is Ethyl Ascorbic Acid clean?
This ingredient generally has good clean-standard standing: it is not a common restricted-list trigger and is typically well tolerated at cosmetic levels. Like many active antioxidants, it can sting on reactive skin depending on concentration and formula pH.
Is Ethyl Ascorbic Acid sustainable?
This material is usually made through chemical modification of a sugar-derived antioxidant feedstock, so sourcing can be partly bio-based but processing is synthetic. It is water soluble and is not known for persistence or bioaccumulation, although public biodegradation data are limited.
Is Ethyl Ascorbic Acid COSMOS-approved?
It can be permitted under COSMOS natural or organic when the supplier route and documentation meet the standard’s criteria, but approval is formulation- and source-specific. From a Green Chemistry view, it gets credit for water solubility and partial bio-based origin, with some compromise from synthetic derivatization and limited biodegradation transparency.
How does Ethyl Ascorbic Acid work chemically?
The molecule is a water-soluble, ether-modified six-carbon lactone antioxidant designed to improve stability versus the unmodified reduced form. Typical use levels are about 0.5% to 3%, sometimes higher in targeted serums, and it is generally formulated in the mildly acidic to near-neutral range with attention to metal chelation and oxygen exposure.
Last updated 2026-05-13