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Surfactant

PEG-8 ISOLAURYL THIOETHER

55

Safety score · 0–100

Moderate

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

A PEG-modified branched-lauryl thioether used as a solubilizer and mild surfactant. Generally low concern at use levels, but the PEG portion needs to be supplier-purified to limit 1,4-dioxane.

Function

SURFACTANT - EMULSIFYING

Skin benefits

  • Solubilizer and mild surfactant
  • Compatible with hair-care formulas
  • Sulfur-bearing — possible mild conditioning

Known concerns

  • Possible 1,4-dioxane trace from PEG synthesis
  • Sulfur odor can demand fragrance masking
  • Limited published toxicology dossier

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