PPG-26/HDI Copolymer
AKA “Polypropylene Glycol 26/Hexamethylene Diisocyanate Copolymer
Ingredient
Ingredient Facts
Ppg-26/hdi copolymer
AKA: Polypropylene Glycol 26/Hexamethylene Diisocyanate Copolymer
Ingredient · Film Forming · EWG: 4
Synthetic
Occlusive
Not Clean
Polyoxypropylene (26) and hexyldiisocyanate copolymer
Form
Liquid
State
Solid
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Plasticiser
Creates protective layer
Adds flexibility
Traditional Use
A synthetic polymer created by combining polypropylene glycol with hexamethylene diisocyanate. Developed for use in cosmetic films and styling products to provide texture and hold.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
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