VA/CA Copolymer

AKA: Vinyl Acetate/Crotonic Acid Copolymer

Synthetic

Occlusive

Not Clean

OriginSynthesized from vinyl acetate and crotonic acid monomers, belonging to the acrylic polymer chemical family. Produced through free-radical polymerization of vinyl acetate and crotonic acid to create the copolymer chain.

VA/CA Copolymer is a cosmetic ingredient. Assessed as safe by the CIR.

CAS #

25609-89-6

Form

Liquid

State

Solid

Skin Types

●all-skin-types

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.

Viscosity Controlling

The paper trail

🔬Peer-reviewednone on file

⚖️Regulatory0 listings

🛡️Safety-assessed1 review →

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

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

Not a Skin Irritant

4 studies / 4 not irritating (CIR 223)

Not a Sensitizer

2 studies / 2 not sensitizing (CIR 223)

Eye Irritant in Testing

2 studies / 2 irritating / reactions minimal to slight (CIR 223)

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