Polyurethane-66
AKA “Polyurethane
Synthetic
Ingredient Facts
Polyurethane-66
Synthetic · Emollient · EWG: 4
Synthetic
Emollient
Occlusive
Skin Conditioner
Synthetic
Clean
A film-forming agent that helps create a smooth, flexible coating on skin or hair, keeping other ingredients bound together for better staying power.
Form
Powder
See origin →
Functions
Binding
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Smoothing
Holds Formula Together
Holds ingredients together
Traditional Use
A synthetic polymer developed in the mid-20th century for industrial applications. Used in cosmetics as a film-forming agent and texture modifier in formulations like foundations and primers.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Polyurethane Versus Calcium Alginate Dressings for Split-Thickness Skin Graft Donor Site: A Systematic Review and Meta-Analysis.
Alsaif A, Karam M, Aldubaikhi AA, Alghufaily A, Alhuwaishel K et al.
Cureus, 2021
Bactericidal ZnO glass-filled thermoplastic polyurethane and polydimethyl siloxane composites to inhibit biofilm-associated infections.
Cabal B, Sevillano D, Fernández-García E, Alou L, Suárez M et al.
Scientific reports, 2019
Final Report: Safety Assessment of Polyurethanes as Used as Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
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European Commission
EU Cosmetic Ingredient Database (CosIng)
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EU Cosmetic Ingredient Database (CosIng)
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European Commission
EU Cosmetic Ingredient Database (CosIng)
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European Commission
EU Cosmetic Ingredient Database (CosIng)
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European Commission
EU Cosmetic Ingredient Database (CosIng)
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European Commission
EU Cosmetic Ingredient Database (CosIng)
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European Commission
EU Cosmetic Ingredient Database (CosIng)
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European Commission
EU Cosmetic Ingredient Database (CosIng)
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European Commission
EU Cosmetic Ingredient Database (CosIng)
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European Commission
EU Cosmetic Ingredient Database (CosIng)
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EU Cosmetic Ingredient Database (CosIng)
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EU Cosmetic Ingredient Database (CosIng)
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EU Cosmetic Ingredient Database (CosIng)
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EU Cosmetic Ingredient Database (CosIng)
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European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-5
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-50
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-51
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-52
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-53
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-54
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-55
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-56
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-57
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-58
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-59
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-60
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-61
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-62
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-63
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-64
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-65
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-66
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-67
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EU Cosmetic Ingredient Database (CosIng)
Polyurethane-68
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EU Cosmetic Ingredient Database (CosIng)
Polyurethane-7
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EU Cosmetic Ingredient Database (CosIng)
Polyurethane-8
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-9
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyurethane-11
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Polyurethane-15
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Polyurethane-2
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Polyurethane-35
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Feb 2026
Data: CosIng · EWG · CIR