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Polyurethane-33
AKA “Polyurethane polymer, Film-forming agent”
Synthetic
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Ingredient Facts
Polyurethane-33
AKA: Polyurethane polymer, Film-forming agent
Synthetic · Binding | Film Forming | Skin Conditioning - Occlusive | Moisturising · EWG: 4
Plant-Derived
Occlusive
Skin Conditioner
Synthetic
Clean
Helps hold product formulas together so they stay stable and effective on your skin.
CAS #
-
Form
Powder
Plant-Derived
Synthetic. Produced from polyols and diisocyanates, which are petroleum-derived chemical compounds. Synthesized through a condensation reaction between polyols and isocyanates to form urethane linkages.
Function
Binding | Film Forming | Skin Conditioning - Occlusive | Moisturising
Benefits
Holds Formula Together
Holds ingredients together
Traditional Use
Synthetic polymer developed for cosmetic use to provide flexible, durable film-forming properties. Created to enhance product stability and application characteristics.
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
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Feb 2026
Data: CosIng · EWG · CIR