Polyurethane-57

Synthetic

Not Clean

1,3-Dioxolan-2-one, polymer with 1,6-hexanediol, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane and 1,5-pentanediol, 2-hydroxyethyl acrylate-blocked

CAS #

930592-39-5

Form

Powder

Functions

Binding

Holds Formula Together

Holds ingredients together

Traditional Use

Synthetic polymer developed in the mid-20th century. Used in cosmetics as a film-forming and conditioning agent in hair and skin products.

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-assessed1 review →

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

Verified Jun 2026

Data: CosIng · EWG · CIR