How we scored it
Where it comes from
Made by acetylating fermentation-derived L-aspartic acid with acetic anhydride. No commercially significant alternative route exists.
In plain English
A skin-conditioning ingredient made by attaching an acetyl group to the amino acid aspartic acid, which comes from fermented sugars. Most of its mass is natural.
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Structure
(2S)-2-acetamidobutanedioic acid
References
- 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
- 2Acetyl Aspartic Acid. PubChem CID 65065. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
- 3ACETYL ASPARTIC ACID. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 4ACETYL ASPARTIC ACID. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=ACETYL%20ASPARTIC%20ACID