Butyl Acrylate/Ethylhexyl Methacrylate Copolymer

AKA: Acrylic Copolymer

Synthetic

Occlusive

Clean

OriginDerived from butyl acrylate and ethylhexyl methacrylate monomers, which are synthesized petroleum-based chemicals. Produced through free radical polymerization, combining the two monomers into a copolymer film-forming resin.

2-Propenoic acid, 2-methyl-, 2-ethyhexyl ester, polymer with butyl 2-propenoate

Form

Liquid

State

Solid

Skin Types

●all-skin-types, gentle

Best For

General

Pregnancy & Breastfeeding Safe

Yes

Functions

Film Forming

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

Hair Fixing

Anti-Inflammatory

Boosts Collagen

Wound Healing

Creates protective layer

Holds hair in place

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

Yes

Concentration Guide

CIR lists it as not reported to be in use.

CIR · report published 2018

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