Ethylhexyl Methacrylate/Methyl Methacrylate/VP Copolymer

AKA: Methacrylate copolymer

Synthetic

Occlusive

Not Clean

OriginDerived from methacrylic acid and vinyl pyrrolidone, members of the acrylic and vinyl polymer chemical families. Synthesized through free radical polymerization of ethylhexyl methacrylate, methyl methacrylate, and vinyl pyrrolidone monomers.

2-Propenoic acid, 2-methyl-, 2-ethylhexyl ester, polymer with 1-ethenyl-2-pyrrolidinone and methyl 2-methyl-2-propenoate

CAS #

155532-97-1

Form

Liquid

State

Solid

Skin Types

●all-skin-types

Best For

General

Pregnancy & Breastfeeding Safe

Caution

Functions

Film Forming

Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.

Creates Protective Barrier

Locks In Moisture

Anti-Aging Benefits

Antioxidant Protection

The paper trail

🔬Peer-reviewednone on file

⚖️Regulatory1 listing →

🛡️Safety-assessed2 reviews →

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

EWG

CIR

Safe as used

Pregnancy

Caution

Concentration Guide

CIR lists it as not reported to be in use.

CIR · report published 2024

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Verified Jun 2026

Data: CosIng · EWG · CIR