Acrylates/Ceteth-20 Methacrylate Copolymer
AKA “Hair Conditioning Polymer, Emulsifying Agent
Ingredient
Ingredient Facts
Acrylates/ceteth-20 methacrylate copolymer
AKA: Hair Conditioning Polymer, Emulsifying Agent
Ingredient · Viscosity Controlling · EWG: 4
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
Form
Liquid
State
Solid
See origin →
Functions
Viscosity Controlling
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
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR