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Emulsifier

ISOSTEARETH-20

CAS 52292-17-8
70

Safety score · 0–100

Fine

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

A PEG-based emulsifier and oil solubilizer made from isostearyl alcohol. Standard CIR-cleared cosmetic surfactant; main caveat is requiring properly purified material to limit 1,4-dioxane traces.

Skin benefits

  • Non-ionic emulsifier for creams and lotions
  • Solubilizer for oils and fragrance
  • Mild on skin compared to ionic surfactants

Known concerns

  • Trace 1,4-dioxane possible without purification
  • Mild irritation at high use levels

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.