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ISOSTEARAMIDOETHYL ISOSTEARYLMETHYLIMIDAZOLINIUM METHOSULFATE

CAS 94022-92-1
52

Safety score · 0–100

Moderate

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

About

A cosmetic ingredient. Exercise caution due to limited available safety data.

Isostearamidoethyl Isostearylmethylimidazolinium Methosulfate is a quaternary ammonium compound (quat) with an imidazolinium ring structure, used as a fabric softener and hair conditioning agent. Quaternary ammonium compounds can be skin sensitisers and the imidazolinium type has raised some concern in the literature. EU regulations require specific labelling for quat sensitisers.

Skin benefits

  • Fabric and hair conditioning
  • Antistatic properties

Known concerns

  • Potential skin sensitisation from quaternary ammonium structure
  • Residual quat allergen concerns
  • Must be fully rinsed from hair/skin in rinse-off applications

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.