Ethyltrimonium Chloride Methacrylate/Hydroxyethylacrylamide Copolymer
INCI: ETHYLTRIMONIUM CHLORIDE METHACRYLATE/HYDROXYETHYLACRYLAMIDE COPOLYMER
Reviewed by Kate · Last updated 18 Aug 2026
What Is Ethyltrimonium Chloride Methacrylate/Hydroxyethylacrylamide Copolymer?
Ethyltrimonium Chloride Methacrylate/Hydroxyethylacrylamide Copolymer (INCI: ETHYLTRIMONIUM CHLORIDE METHACRYLATE/HYDROXYETHYLACRYLAMIDE COPOLYMER) is a cosmetic ingredient listed in the EU CosIng inventory. 2-Trimethylammonioethyl 2-propenoate chloride, polymer with N-(2-hydroxyethyl)-2-propenamide.
Its declared cosmetic functions are film forming and hair conditioning.
Source: European Commission CosIng inventory.
From the Clinic
Not sure what your skin actually needs?
Two minutes, a few questions, and we’ll point you at what matters — no guesswork.
Take the skin quizRelated Ingredients
2-Hydroxyethyl Acrylate
A synthetic film-forming agent used primarily in nail and specialist skincare products
Abies Balsamea Resin
A resin extract traditionally used to support skin-comforting and skin barrier function
Acacia Catechu Gum
A plant-derived film former that helps formulations adhere to skin and maintain texture
Acrylates Copolymer
Commonly used as a film-forming agent in skin care formulations, leaving a soft after feel
Acrylates/Ammonium Methacrylate Copolymer
A film-forming polymer that creates a protective layer on skin
Acrylates/C12-22 Alkyl Methacrylate Copolymer
A synthetic polymer that creates a protective film layer on the skin surface
Learn More About Skincare Ingredients
Explore our comprehensive ingredient glossary to understand what's in your products.
Browse All IngredientsShop Our Products
Find professional skincare solutions at Skintique.