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Acrylates/Ceteth-20 Methacrylate Copolymer
AKA “Hair Conditioning Polymer, Emulsifying Agent”
Synthetic
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Ingredient Facts
Acrylates/ceteth-20 methacrylate copolymer
AKA: Hair Conditioning Polymer, Emulsifying Agent
Synthetic · Viscosity Controlling | Film Forming | Skin Conditioning - Emollient | Surfactant - Cleansing · EWG: 4
Plant-Derived
Emollient
Cleanser
Occlusive
Skin Conditioner
Synthetic
Not Clean
Copolymer formed from the half ester of methacrylic acid and poly(oxy-1,2-ethanediyl),.alpha.-hexadecyl-.omega.-hydroxy-, and one or more monomers of acrylic acid, methacrylic acid or one of their simple esters Science: Functions: Viscosity Controlling Safety Ratings: CIR: Safe as used
Form
Liquid
Plant-Derived
Synthetic. Derived from acrylic and methacrylic acid monomers combined with polyethylene glycol cetyl ether as starting materials. Synthesized through free radical polymerization of the monomers to form the copolymer backbone.
Function
Viscosity Controlling | Film Forming | Skin Conditioning - Emollient | Surfactant - Cleansing
Benefits
Controls Viscosity
Traditional Use
Developed in the late 20th century as a synthetic film-forming polymer for cosmetics. Used in modern skincare and cosmetic formulations to create water-resistant coatings and improve product durability on skin.
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
Restricted By
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Not a Sensitizer
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Feb 2026
Data: CosIng · EWG · CIR