How we scored it
Where it comes from
Made by free-radical copolymerisation of petrochemical N-vinylpyrrolidone with 1-vinyl-3-methylimidazolium methosulfate, itself formed by quaternising vinylimidazole with dimethyl sulfate. No natural route exists.
In plain English
A synthetic, film-forming conditioning polymer used in shampoos and styling products to reduce static and help hair hold its shape. It is built entirely from lab-made petrochemical building blocks.
CosIng definition: Poly(2-oxopyrrolidin-1-ylethylene, 3-methylimidazolium-1-ylethylene methyl 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-44. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3POLYQUATERNIUM-44. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=POLYQUATERNIUM-44