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Emulsifier

ISOSTEARETH-2 PHOSPHATE

73

Safety score · 0–100

Fine

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

A phosphate ester of low-ethoxylated isostearyl alcohol. Acts as a mild emulsifier and surfactant. Generally safe; the ethoxylation step requires controls for 1,4-dioxane impurity.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Effective oil-in-water emulsifier
  • Mild surfactant
  • Stable across cosmetic pH range

Known concerns

  • Trace 1,4-dioxane risk from ethoxylation if not stripped
  • Mild eye irritation possible at higher levels
  • Limited independent CIR review on this specific ester

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.