Film Former
RICINOLEOYL EPOXY RESIN
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A film-forming resin made by reacting castor-oil ricinoleic acid with bisphenol A epoxy. Used in nail polish; the BPA backbone raises endocrine-disruption concerns even bound in polymer.
Function
Skin benefits
- Provides hardness and gloss in nail polish
- Castor-oil component is biodegradable
- Polymer-bound exposure is limited
Known concerns
- Bisphenol A epoxy backbone is a documented endocrine disruptor
- BPA migration possible from incompletely cured resin
- Nail-product use only — not for skin contact
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 — always read the physical product label and consult a healthcare professional for personal concerns.