Emulsifier
PEG-40 HYDROGENATED CASTOR OIL/IPDI COPOLYMER
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A polymeric emulsifier combining PEG-40 hydrogenated castor oil with an IPDI urethane backbone. Functional and skin-safe at use levels; PEG and isocyanate chemistry put it in lower yellow.
Function
Skin benefits
- Effective solubiliser/emulsifier
- Stabilises lipid-rich formulas
- Allows water-clear systems
- Skin conditioning film
Known concerns
- PEG residual ethylene oxide / 1,4-dioxane risk
- Isophorone diisocyanate (IPDI) backbone — limited cosmetic data
- Not biodegradable
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related emulsifiers
Same plant / compound family
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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.