Surfactant
ISOSTEARETH-8
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
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 CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related surfactants
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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.