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Emulsifier

ISOSTEARETH-15

CAS 52292-17-8
81

Safety score · 0–100

Good

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

A higher-ethoxylated isostearyl ether that emulsifies oils into water — well-suited to richer creams and balms. Higher EO count gives a milder profile than its low-EO cousin Isosteareth-5.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Reliable non-ionic emulsifier
  • Excellent for richer creams
  • Good co-emulsifier with fatty alcohols

Known concerns

  • Possible trace 1,4-dioxane from ethoxylation

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.