HDI/PPG/Polycaprolactone Crosspolymer
AKA “Aliphatic urethane polymer, HDI-PPG copolymer
Synthetic
Ingredient Facts
Hdi/ppg/polycaprolactone crosspolymer
AKA: Aliphatic urethane polymer, HDI-PPG copolymer
Synthetic · Film Forming · EWG: 4
Synthetic
Occlusive
Synthetic
Clean
Helps powder products stay smooth and prevent clumping, keeping your makeup application effortless and even throughout the day.
CAS #
302791-95-3
Form
Liquid
State
Solid
See origin →
Functions
Anticaking
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Viscosity Controlling
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.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR