HDI/PPG/Polycaprolactone Crosspolymer

AKA: Aliphatic urethane polymer, HDI-PPG copolymer

Synthetic

Clean

2-Oxepanone, Polymer with 1,6-Diisocyanatohexane, 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol and a-Hydro-w-Hydroxy[Poly[Oxy(Methyl-1,2-Ethanediyl)]] Ether with D-Glucitol

CAS #

302791-95-3

Form

Liquid

State

Solid

Functions

Anticaking

Prevents Clumping

Traditional Use

A modern synthetic polymer created by cross-linking HDI chemistry with polypropylene glycol and polycaprolactone components, developed in the late 20th century as a film-former, binder, and conditioning polymer for contemporary cosmetics.

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-assessed2 reviews →

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

Verified Jun 2026

Data: CosIng · EWG · CIR