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Conditioning quaternary surfactant

UNDECYLENAMIDOPROPYL PEG-2 DIMONIUM UNDECYLENATE

72

Safety score · 0–100

Fine

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

A PEGylated quaternary ammonium conditioner used in shampoos and skin cleansers. It conditions hair and skin with low irritation potential, though purification controls for PEG byproducts matter.

Skin benefits

  • Acts as a mild conditioning surfactant in cleansers
  • Provides antistatic and detangling effects in hair care
  • Reduces irritation potential of harsher anionic surfactants
  • Derived in part from renewable castor-oil-based undecylenic acid

Known concerns

  • Quaternary ammonium structure can cause eye irritation at high concentrations
  • PEG component may contain trace 1,4-dioxane if not adequately purified
  • Limited independent cosmetic safety dossier compared with common quats

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.