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Surfactant

ISOSTEARETH-8

Updated
65

Safety score · 0–100

Fine

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

About

An ethoxylated isostearyl alcohol (PEG-8) used as a nonionic surfactant and emulsifier. Mild and well-tolerated at cosmetic levels. Main concern is 1,4-dioxane impurity in the PEG.

Function

CLEANSINGSURFACTANT - CLEANSING

Skin benefits

  • Nonionic surfactant/emulsifier
  • Solubilizes oils and fragrances
  • Mild for a surfactant

Known concerns

  • PEG-ether — possible 1,4-dioxane traces
  • Should be cosmetic-grade purified
  • Mild irritation possible at high %

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.