Ammonium Acrylates/Ethylhexyl Acrylate Copolymer

AKA: Acrylic Polymer, Film Forming Polymer

Synthetic

Occlusive

Not Clean

Ammonium Acrylates/ Ethylhexyl Acrylate Copolymer is a copolymer of ethylhexyl acrylate and the ammonium salt of one or more monomers consisting of acrylic acid, metacrylic acid, or one of their simple esters

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

Reduces Inflammation

Locks In Moisture

Traditional Use

A synthetic copolymer developed for cosmetic use in the late 20th century to create flexible films in styling products and cosmetic formulations. No traditional or historical precedent exists.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

Not a Sensitizer

medical-approval

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

Best For

General

Pregnancy & Breastfeeding Safe

Yes

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