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Preservative

OXYQUINOLINE BENZOATE

CAS 7091-57-8 Updated
30

Safety score · 0–100

Caution

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

About

An 8-hydroxyquinoline derivative used to stabilize peroxide in hair colorants. EU Annex III restricted; flagged for irritation, sensitization and reproductive-tox concerns.

Function

ANTIMICROBIAL

Skin benefits

  • Stabilizes hydrogen peroxide in hair products
  • Antimicrobial chelator
  • Preservative function

Known concerns

  • EU Annex III — restricted to oxidative hair products and rinse-off
  • Suspected mutagenic activity in some assays
  • Skin irritant/sensitizer reports
  • 8-hydroxyquinoline class flagged for reproductive toxicity

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.