Acrylates/Octylacrylamide Copolymer

AKA: Acrylic copolymer, Film-forming polymer

Synthetic

Occlusive

Clean

2-Propenoic acid, 2-methyl-, 2-methylpropylester, polymer with 2-propenoic acid and N-(1,1,3,3-tetramethylbutyl)-2-propenamide

CAS #

129702-02-9

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.

Hair Fixing

Creates Protective Barrier

Creates protective layer

Holds hair in place

Traditional Use

Created as a synthetic polymer for cosmetic use to provide flexible film formation and conditioning properties. Developed to improve makeup and skincare product performance without traditional botanical precedent.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

ewg-1

medical-approval

pregnancy-nursing-safe

all-shades-safe

Mild Irritant

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