Acrylates/Ethylhexyl Acrylate Copolymer

AKA: Film Forming Polymer

Synthetic

Occlusive

Clean

Copolymer formed from ethylhexyl acrylate, and one or more monomers of acrylic acid, methacrylic acid or one of their simple esters

CAS #

64771-95-5

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

Traditional Use

Developed as a synthetic polymer in cosmetic chemistry to create flexible, water-resistant films. First used in personal care products in the 1980s-1990s to improve product adhesion and wear resistance.

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-reviewednone on file

⚖️Regulatory1 listing →

🛡️Safety-assessed3 reviews →

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

Verified Jun 2026

Data: CosIng · EWG · CIR