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Emulsifier

PEG-120 PROPYLENE GLYCOL STEARATE

78

Safety score · 0–100

Fine

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

A high-EO (120) PEG ester of propylene glycol stearate used as a mild non-ionic emulsifier. Heavy ethoxylation gives a low-irritation profile typical of high-EO PEG esters, with the routine purity caveat.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • High-EO non-ionic emulsifier
  • Solubilises oils into water
  • Stable, mild profile in finished cosmetics

Known concerns

  • Ethoxylated material — controlled 1,4-dioxane grade required
  • Slow biodegradation due to high EO load
  • Propylene glycol portion is a rare contact allergen

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.