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PEG-11 OLEATE

CAS 9004-96-0
86

Safety score · 0–100

Good

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

A mid-range ethoxylated polyethylene glycol oleate ester used as an emulsifier and co-surfactant in cosmetic formulations, offering balanced solubility and a well-established safety profile for topical application.

Poly(oxy-1,2-ethanediyl), α-(1-oxo-9-octadecenyl)-ω-hydroxy-(Z)- with an average of 11 mol EO. Functions as a nonionic emulsifier and co-surfactant in leave-on and rinse-off cosmetic products. Not restricted under EU Regulation (EC) No 1223/2009; appears in CosIng without Annex II or III entries. The 11 mol EO chain provides balanced HLB performance suitable for a variety of emulsion types.

Skin benefits

  • Versatile emulsifier for diverse cosmetic formulations
  • Good compatibility with oleic acid-derived active ingredients

Known concerns

  • Trace 1,4-dioxane possible from ethoxylation process

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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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.