How we scored it
Olive acyl (oleoyl proxy) 265 + glutamate residue 145 + Na 23 = 433 Da; every fragment natural, so 433/433 = 1.0.
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
Dominant route acylates fermentation-derived glutamic acid with olive-oil fatty acyl chloride (Schotten-Baumann) and neutralises with sodium hydroxide. No commercially significant petrochemical route is known.
In plain English
A cleansing ingredient (surfactant) that helps products foam and lift dirt. It is made by joining fatty acids from olive oil to glutamic acid, an amino acid produced by fermentation, and neutralising with sodium.
CosIng definition: Glutamic acid, N-olive oil acyl derivs., sodium salt
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.
- 2SODIUM OLIVOYL GLUTAMATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3SODIUM OLIVOYL GLUTAMATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=SODIUM%20OLIVOYL%20GLUTAMATE