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Emulsifier

PEG-20 SORBITAN ISOSTEARATE

CAS 66794-58-9
75

Safety score · 0–100

Fine

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

A PEGylated sorbitan isostearate — a mild non-ionic emulsifier used in lotions and oil-in-water systems. Generally low-irritant; PEG dioxane purity is the main caveat.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Mild non-ionic emulsifier
  • Solubilizer in liquid skincare
  • Compatible with botanical oils
  • Low irritation profile

Known concerns

  • Residual 1,4-dioxane risk in PEG class
  • Trace ethylene oxide possible
  • Limited ingredient-specific human data

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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Same plant / compound family

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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.