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Emollient

PEG-5 ISONONANOATE

72

Safety score · 0–100

Fine

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

A PEG-5 ester of isononanoic acid used as a light emollient and oil solubilizer. Generally low-irritation; PEG synthesis can leave 1,4-dioxane traces unless removed.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Light, non-greasy emollient
  • Solubilizer for oils
  • Smooth skin-feel modifier
  • Compatible with most actives

Known concerns

  • PEG-derived; possible 1,4-dioxane residue if poorly purified
  • Penetration enhancer; mind on broken skin
  • Limited dedicated cosmetic safety data

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.