Acrylates/Stearyl Methacrylate Copolymer

AKA: Acrylic polymer, Film former

Plant-Derived

Emulsifier

Clean

Copolymer formed from stearyl 2-methylpropenoate and one or more monomers of acrylic acid, methacrylic acid or one of their simple esters

Functions

Emulsion Stabilising

Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.

Viscosity Controlling

Stabilizes Emulsion

Controls Viscosity

Locks In Moisture

Anti-Aging Benefits

Antioxidant Protection

Keeps product blended

Controls product thickness

Traditional Use

A synthetic copolymer created for cosmetic applications to provide emulsifying and suspending properties. Used in the formulation of creams, lotions, and makeup products.

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