How we scored it
Where it comes from
Polyquaternium-8 is made by free-radical copolymerization of dimethylaminoethyl methacrylate and methyl methacrylate, then quaternizing with dimethyl sulfate — all petrochemical acrylate and sulfate-ester chemistry. No natural-origin fragment is present.
In plain English
A film-forming, antistatic polymer used in hair and skin products. It is built entirely from synthetic acrylate building blocks derived from petrochemicals.
CosIng definition: 2-propenoic acid, 2-methyl-, 2-(dimethylamino)ethyl ester, polymer with methyl 2-methyl-2-propenoate, quaternised with dimethyl sulfate
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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.
- 2POLYQUATERNIUM-8. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3POLYQUATERNIUM-8. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=POLYQUATERNIUM-8