Skip to content

Surfactant

ISOSTEARETH-8

65

Safety score · 0–100

Fine

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

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.

Related surfactants

Check your shelf

Find ISOSTEARETH-8 in your products.

Scan any cosmetic product with LuxSense to see if it contains ISOSTEARETH-8 and get a full ingredient breakdown with safety scores.

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.