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Hair Conditioning

CINCHONA CALISAYA BARK EXTRACT

CAS 89997-70-6 Updated
42

Safety score · 0–100

Moderate

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

About

Cinchona bark extract, a source of quinine alkaloids traditionally used in hair tonics. Quinine is restricted in oral use; topical sensitization and photosensitivity are documented.

Function

SKIN CONDITIONING

Skin benefits

  • Astringent for oily scalp
  • Traditional hair tonic use
  • Antioxidant tannins

Known concerns

  • Quinine alkaloids — FDA banned for OTC oral use due to cardiac and ototoxic risks
  • Sensitization documented
  • Photosensitivity reports

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.