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Hair Conditioning

CINCHONA PUBESCENS BARK EXTRACT

CAS 97435-02-4 Updated
55

Safety score · 0–100

Moderate

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

About

An extract of cinchona bark, the source of quinine. Used in scalp tonics. Quinine can cause rash and other reactions, so use is cautioned.

Function

SKIN CONDITIONING

Skin benefits

  • Quinine alkaloids tone scalp
  • Astringent and antimicrobial
  • Traditional anti-dandruff use

Known concerns

  • Quinine can sensitize and trigger skin rash
  • US drug rules require warning labeling
  • Bitter alkaloids may irritate

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.