How we scored it
Whole amino acid C5H12N2O2; fermentation-derived, no fragmentation needed.
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.
Where it comes from
Commercially produced by fermenting plant-derived sugars with bacteria. No significant petrochemical synthesis route is used for the cosmetic-grade amino acid.
In plain English
An amino acid made by fermenting plant sugars with bacteria. Used in skincare to help condition and support the skin's surface.
Structure
(2S)-2,5-diaminopentanoic 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.
- 2Ornithine. PubChem CID 6262. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
- 3ORNITHINE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 4ORNITHINE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=ORNITHINE