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Emulsifier

PEG-25 BUTYLENE GLYCOL ISOSTEARATE

65

Safety score · 0–100

Fine

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

A PEG-25 emulsifier built on butylene glycol and isostearic acid. Mild and effective at blending oils, but PEGs can carry traces of 1,4-dioxane unless properly purified.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Mild non-ionic emulsifier and solubilizer
  • Helps incorporate oils into water-based formulas
  • Low irritation in published surfactant studies

Known concerns

  • PEGs can carry trace 1,4-dioxane residues if not purified
  • Potential enhancer of penetration of other actives
  • Limited dossier specifically for PEG-25 BG isostearate

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.