Polyurethane-20
AKA “Polyurethane-20, PU-20
Synthetic
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Ingredient Facts
Polyurethane-20
AKA: PU-20
Synthetic · Binding | Film Forming | Skin Conditioning - Emollient | Moisturising · EWG: 4
Plant-Derived
Emollient
Occlusive
Skin Conditioner
Synthetic
Clean
5-Isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, polymer with polybutanediol (12 mol average) and oxepan-2-one/2,2-dimethyl-1,3-propanediol copolymer, reaction products with 5-amino-1-(aminomethyl)-1,3,3-trimethylcyclohexane, reaction product Science: Functions: Binding, Film Forming Safety Ratings: CIR: Safe as used
CAS #
-
Form
Powder
Plant-Derived
Synthetic. Synthesized from isocyanate compounds, polyols (polybutanediol), and cycloaliphatic amines as starting materials. Produced through step-wise polymerization reactions linking these monomers to form a cross-linked polymer network.
Function
Binding | Film Forming | Skin Conditioning - Emollient | Moisturising
Benefits
Holds Formula Together
Creates Protective Barrier
Creates protective layer
Holds ingredients together
Traditional Use
Synthetic polymer used in contemporary cosmetics for flexible film-forming and conditioning properties. Developed to improve texture, stability, and water resistance in cosmetic products.
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Not a Sensitizer
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR
Polyurethane-20 — Duck Heart Ghost