HDI/Trimethylol Hexyllactone Crosspolymer
AKA “Polyurethane crosspolymer, aliphatic HDI polymer
Ingredient
Ingredient Facts
Hdi/trimethylol hexyllactone crosspolymer
AKA: Polyurethane crosspolymer, Aliphatic HDI polymer
Ingredient · Anticaking · EWG: 1
Synthetic
Clean
2-Ethyl-2-hydroxymethyl-1,3-propanediol, polymer with tetrahydro-6-methyl-2H-pyran-2-one, reaction products with 1,6-diisocyanatohexane
Form
Liquid
State
Solid
See origin →
Functions
Anticaking
Prevents Clumping
Traditional Use
A synthetic crosspolymer developed in the late 20th century combining HDI (hexamethylene diisocyanate) with trimethylol and hexyllactone monomers. Created as a versatile film-forming and texture-modifying agent for modern cosmetic formulations.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR