Cholesterol/HDI/Pullulan Copolymer
AKA “Cholesterol/HDI/Pullulan Copolymer
Surfactant
Ingredient Facts
Cholesterol/hdi/pullulan copolymer
Surfactant · Humectant · EWG: 4
Synthetic
Humectant
Cleanser
Emulsifier
Barrier Lipid
Not Clean
Cholesterol/HDI/Pullulan Copolymer is a copolymer of cholesterol, hexamethylene diisocyanate and pullulan monomers
State
Solid
See origin →
Functions
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Light Stabilizer
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Viscosity Controlling
Locks In Moisture
Traditional Use
A modern synthetic polymer created by combining cholesterol, hexamethylene diisocyanate (HDI), and pullulan (a polysaccharide). Designed as a film-forming agent to improve texture and wear properties in cosmetics.
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