Film Former
POLYURETHANE-77
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A castor-oil-based polyurethane — combines a partly natural backbone with film-forming and viscosity control. The castor oil component adds an emollient quality, with the typical polyurethane purity caveat for residual isocyanate.
Function
Skin benefits
- Castor oil-derived backbone — partly bio-based
- Emollient, conditioning skin feel
- Builds viscosity in formulations
- Forms flexible, durable films
Known concerns
- Residual isocyanate concern if poorly purified
- Limited specific toxicology data
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related film formers
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.