Emulsifier
PEG-40 HYDROGENATED CASTOR OIL PCA ISOSTEARATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A PEG-40 ethoxylated, hydrogenated castor oil derivative with PCA and isostearate side groups. Mild and effective as a solubiliser/emulsifier; tolerated well when manufactured to dioxane-controlled grade.
Function
Skin benefits
- Mild emulsifier and solubiliser
- Conditioning castor-derived backbone
- Useful in clear gels and micellar systems
- Compatible with sensitive-skin formulas
Known concerns
- Trace 1,4-dioxane possible if PEG-40 not purified
- Limited PEG biodegradability
- Castor sourcing variability
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related emulsifiers
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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.