Starch/acryloyloxyethyl Trimonium Chloride Copolymer
A cosmetic ingredient used as viscosity controlling in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Starch/Acryloyloxyethyl Trimonium Chloride Copolymer is the quaternary ammonium compound formed by the reaction of starch with Acryloyloxyethyl Trimonium Chloride.
What does it do?
Starch/acryloyloxyethyl Trimonium Chloride Copolymer is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Viscosity controlling
adjusts the thickness or flow of a formulation
EU regulatory status
Starch/acryloyloxyethyl Trimonium Chloride Copolymer is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is Starch/acryloyloxyethyl Trimonium Chloride Copolymer?
Starch/acryloyloxyethyl Trimonium Chloride Copolymer is a cosmetic ingredient catalogued in the EU CosIng database. Starch/Acryloyloxyethyl Trimonium Chloride Copolymer is the quaternary ammonium compound formed by the reaction of starch with Acryloyloxyethyl Trimonium Chloride.
Is Starch/acryloyloxyethyl Trimonium Chloride Copolymer allowed in cosmetics in the EU?
Yes. Starch/acryloyloxyethyl Trimonium Chloride Copolymer is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Starch/acryloyloxyethyl Trimonium Chloride Copolymer do in cosmetic products?
Starch/acryloyloxyethyl Trimonium Chloride Copolymer is declared in the EU cosmetic ingredient inventory with these functions: viscosity controlling.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 25/06/2026