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Emulsifier

POLYSORBATE 40

CAS 9005-66-7 Updated
72

Safety score · 0–100

Fine

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

About

A non-ionic emulsifier and oil solubiliser made by adding ethylene oxide to sorbitan palmitate. Generally safe; the only caveat is the ethoxylation step can leave trace 1,4-dioxane.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Solubiliser for oils and fragrances
  • Mild non-ionic emulsifier
  • Stabilises clear formulas
  • Low irritation potential

Known concerns

  • Ethoxylated material — potential 1,4-dioxane impurity if not purified
  • Mild eye irritant in concentrated form

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