Polyurethane-15

AKA: Polyurethane Polymer

Synthetic

Occlusive

Clean

OriginDerived from polyols and diisocyanates, members of the polyurethane chemical family. Synthesized through condensation polymerization of polyols with isocyanate compounds under controlled conditions.

Isophorone diisocyanate, adipic acid, triethylene glycol and dimethylolpropionic acid copolymer

CAS #

-

Form

Powder

Skin Types

●all-skin-types, gentle

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.

Creates Protective Barrier

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

Concentration Guide

Leave-on0.01–0.2%

Rinse-offNot reported

0%50%100%

CIR reported use · 2016 survey

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