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OLETH-4

CAS 9004-98-2
88

Safety score · 0–100

Good

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

A short-chain ethoxylated oleyl alcohol surfactant used as an emulsifier and co-surfactant in cosmetic formulations, offering good oil-wetting properties with minimal skin penetration risk at use concentrations.

Poly(oxy-1,2-ethanediyl), α-9-(Z)-octadecenyl-ω-hydroxy with an average of 4 mol EO. Functions as a nonionic emulsifier and co-surfactant in rinse-off and leave-on cosmetic products. No EU regulatory restrictions; listed in CosIng without Annex II or III entries under Regulation (EC) No 1223/2009. The 4 mol EO chain provides moderate hydrophilicity with effective oil-wetting properties.

Skin benefits

  • Effective co-surfactant and emulsifier
  • Good oil-wetting properties for diverse oil phases

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, so always read the physical product label and consult a healthcare professional for personal concerns.