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OLETH-16

CAS 9004-98-2
90

Safety score · 0–100

Excellent

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

About

A mid-to-high ethoxylation oleyl alcohol ether widely used as an emulsifier and solubilizer in cosmetic formulations, considered safe for topical application with minimal skin penetration risk.

Poly(oxy-1,2-ethanediyl), α-9-(Z)-octadecenyl-ω-hydroxy with an average of 16 mol EO. Classified as a nonionic surfactant and listed in EU CosIng without restrictions under Regulation (EC) No 1223/2009. The higher EO chain provides good hydrophilicity while maintaining emulsifying efficiency. No sensitization or toxicity concerns at cosmetic use concentrations.

Skin benefits

  • Effective emulsifier for stable formulations
  • Solubilizes oils and fragrances

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.