Acrylates/Beheneth-25 Methacrylate Copolymer

AKA: Beheneth-25 Methacrylate Acrylates Copolymer, Hair Conditioning Polymer

Synthetic

Clean

Copolymer formed from the ester of 2-methylpropenoic acid and docosanol, ethoxylated, 25 mol EO (average molar ratio) and one or more monomers of acrylic acid, methacrylic acid or one of their simple esters

CAS #

888492-33-9

Form

Liquid

State

Solid

Functions

Viscosity Controlling

Controls Viscosity

Traditional Use

A modern synthetic polymer combining acrylic chemistry with fatty alcohol chemistry. Developed to improve texture and stability in cosmetic emulsions.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

Not a Sensitizer

ewg-2

medical-approval

pregnancy-nursing-safe

all-shades-safe

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Skin Types

●all-skin-types, gentle

Best For

General

Pregnancy & Breastfeeding Safe

Yes

The paper trail

🔬Peer-reviewed1 paper →

⚖️Regulatory1 listing →

🛡️Safety-assessed2 reviews →

Counts, not a verdict. A listing isn't a study. The trail, you decide.

Verified Jun 2026

Data: CosIng · EWG · CIR