How we scored it
Native corn protein, unmodified; wholly plant-derived. 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
Extracted from corn (maize) grain, where it occurs as a natural storage protein. No petrochemical route exists.
In plain English
A film-forming protein extracted from corn. Used in cosmetics to form a light coating on hair or skin.
CosIng definition: Zeins. A protein derived from Zea mays, Gramineae. It belongs to the prolamine class and contains seventeen amino acids
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.
- 2ZEIN. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3ZEIN. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=ZEIN