How we scored it
Where it comes from
Made by copolymerizing methacrylamide with a methacrylate-based quaternary ammonium chloride monomer, both petrochemical. The chloride counter-ion is the only natural-mineral fragment.
In plain English
A fully synthetic, positively-charged polymer built from petrochemical acrylamide and acrylate building blocks. Used in hair-styling and conditioning products to reduce static and help films form.
CosIng definition: Polyquaternium-15 is the polymeric quaternary ammonium salt formed from Methacrylamide (q.v.) and betamethacrylyloxyethyl trimethyl ammonium chloride.
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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-15. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3POLYQUATERNIUM-15. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=POLYQUATERNIUM-15