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Emulsifier

CETETH-9 STEARATE

68

Safety score · 0–100

Fine

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

A PEG-9 cetyl alcohol esterified with stearic acid. Mild nonionic emulsifier/emollient. Class is well tolerated; main concern is residual 1,4-dioxane unless ethoxylate is purified.

Function

SKIN CONDITIONING

Skin benefits

  • Nonionic emulsifier and emollient
  • Oil-water bridging agent
  • Smooths cream texture

Known concerns

  • PEG ethoxylate impurity risk (1,4-dioxane)
  • Limited individual safety dossier
  • Use rinse-off or low-leave-on for skin sensitivity

References

EU

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