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Polyurethane-54
AKA “
Polyurethane
”
Synthetic
🦆
❤️
👻
Ingredient Facts
Polyurethane-54
Synthetic · Film Forming · EWG: 4
WHAT IS IT?
Synthetic
Occlusive
Skin Conditioner
Synthetic
Clean
A conditioning agent that helps strengthen and protect nails, keeping them flexible and resilient.
See origin →
WHAT'S IT DO?
Functions
Nail Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Strengthens nails
Traditional Use
Synthetic polymer developed in the mid-20th century. Used in cosmetics as a film-forming and conditioning agent in hair and skin products.
Skin Types
●
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
IS IT SAFE?
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA
✔ permitted
EU
⚠ restricted
JAPAN
⚠ restricted
CANADA
⚠ restricted
Regulatory Agencies
EWG
CIR
FDA
EU COSING
Health Canada
WHAT'S THE PROOF?
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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Polyurethane-11
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-12
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-13
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-15
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-16
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-17
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-2
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-20
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-21
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-23
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-25
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-26
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-27
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-28
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-32
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-33
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-34
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-35
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-36
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-39
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-4
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-40
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-41
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-42
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-43
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-44
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-45
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-47
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-48
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-49
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
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-68
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Polyurethane-7
European Commission
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