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OXYQUINOLINE

CAS 148-24-3
38

Safety score · 0–100

Caution

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

A heterocyclic preservative restricted in EU rinse-off cosmetic products to 0.3%.

Oxyquinoline (8-hydroxyquinoline) is a heterocyclic aromatic compound used as a preservative and chelating agent in cosmetic formulations. EU CosIng Annex II lists it under restriction II/395, limiting its use in ready-for-use preparations to a maximum of 0.3%. Concerns include skin sensitization and potential neurotoxicity at high concentrations.

Known concerns

  • EU Annex II restriction (II/395)
  • Max 0.3% in ready-for-use preparations
  • Skin sensitization
  • Potential neurotoxicity concern

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.