Steareth-100/PEG-136/HDI Copolymer
AKA “Modified Polyethylene Glycol Polymer
Ingredient
Ingredient Facts
Steareth-100/peg-136/hdi copolymer
AKA: Modified Polyethylene Glycol Polymer
Ingredient · Viscosity Controlling · EWG: 2
Plant-Derived
Clean
Poly(Oxy-1,2-Ethanediyl), alpha-Hydro-theta-Hydroxy, Polymer with 1,6-Diisocyanatohexane and alpha-Octadecyl-theta-Hydroxypoly(Oxy-1,2- ethanediyl)
CAS #
103777-69-1
Form
Liquid
See origin →
Functions
Viscosity Controlling
Controls Viscosity
Traditional Use
A complex synthetic polymer created in the late 20th century as a film-former and thickener for advanced cosmetic formulations requiring enhanced stability and texture.
Skin Types
all-skin-types
Best For
General
EWG
2
CIR
Safe as used
Pregnancy
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR