Surfactant
PEG-40 HYDROGENATED CASTOR OIL ISOSTEARATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A PEG-40 hydrogenated castor oil esterified with isostearic acid; a mild nonionic solubiliser. Generally well tolerated, with the usual ethoxylate dioxane caveat.
Function
Skin benefits
- Nonionic emulsifier/solubiliser for fragrances and oils
- Mild on skin compared to anionic surfactants
- Common in clear gels and micellar systems
Known concerns
- Ethoxylated PEG — residual 1,4-dioxane control needed
- Mild eye irritation potential
- Environmental persistence considerations
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related surfactants
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.