Polyquaternium-37

Synthetic

Occlusive

Clean

OriginPolyquaternium-37 belongs to the quaternary ammonium polymer chemical family, synthesized from acrylic monomers. It is produced through free-radical polymerization of acrylic compounds with quaternary ammonium groups.

Ethanaminium, N, N, N-trimethyl-2-((2-methyl-1-oxo-2-propenyl)oxy)-, chloride, homopolymer

CAS #

26161-33-1

Form

Powder

Skin Types

●all-skin-types

Best For

General

Pregnancy & Breastfeeding Safe

Yes

Functions

Antistatic

Film Forming

Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.

Reduces Static

Creates Protective Barrier

Creates protective layer

Reduces flyaways

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.

EWG

CIR

Safe as used

Pregnancy

Yes

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