Acrylamide/Ethyltrimonium Chloride Acrylate/Ethalkonium Chloride Acrylate Copolymer
AKA “Acrylamide Copolymer
Synthetic
Ingredient Facts
Acrylamide/ethyltrimonium chloride acrylate/ethalkonium chloride acrylate copolymer
AKA: Acrylamide Copolymer
Synthetic · Film Forming · EWG: 4
Synthetic
Occlusive
Skin Conditioner
Hair Care
Synthetic
Clean
2-Propenamide, polymer with 2-(trimethylammonio)ethyl 2-propenoate chloride and 2-(benzyldimethylammonio)ethyl 2-propenoate chloride Science: Functions: Film Forming, Hair Conditioning, Skin Conditioning, Viscosity Controlling Safety Ratings: CIR: Safe as used EU Restriction: III/66
CAS #
-
Form
Liquid
State
Solid
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Viscosity Controlling
Locks in moisture
Traditional Use
A modern synthetic copolymer developed for hair care and styling products. Created in the late 20th century to provide conditioning and styling benefits through advanced polymer chemistry.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
No
EWG
4
CIR
Unsafe
Pregnancy
No
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USArestricted
EUpermitted
JAPANpermitted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR