Ethylhexyl Methacrylate/Methyl Methacrylate/VP Copolymer

AKA: Methacrylate copolymer

Synthetic

Occlusive

Not Clean

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

Effective at 5.15%

CAS #

155532-97-1

Form

Liquid

State

Solid

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

Traditional Use

A modern synthetic polymer developed in the mid-20th century for cosmetic film-forming and texture purposes. Created to provide water-resistant, long-wear properties in makeup and personal care products.

EWG

CIR

Safe as used

Pregnancy

Caution

CIR Safety Findings

Not a Sensitizer

medical-approval

all-shades-safe

Concentration Guide

3.0%

7.3%

0%10%

Reported use

CIR reported use: 3-7.3

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Skin Types

●all-skin-types

Best For

General

Pregnancy & Breastfeeding Safe

Caution

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.

Verified Jun 2026

Data: CosIng · EWG · CIR