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Skin Conditioning

QUASSIA AMARA WOOD EXTRACT

CAS 84604-10-4
62

Safety score · 0–100

Fine

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

Quassia amara (bitterwood) extract — contains potent bitter quassinoids with insect-repellent and antimicrobial action. Used at low cosmetic concentrations to keep cytotoxicity in check.

Function

DENATURANTSKIN CONDITIONINGTONIC

Skin benefits

  • Quassinoid bitter compounds with insect-repellent activity
  • Antioxidant phenolics
  • Traditional botanical heritage

Known concerns

  • Quassinoids are cytotoxic at higher concentrations
  • Bitter principles can be mildly irritating to mucosa
  • Limited modern cosmetic safety data

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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Same plant / compound family

50
QUASSIA AMARA WOOD
botanical_wood
 60
QUASSIA AMARA WOOD POWDER
botanical powder

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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.