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Botanical Extract

CALTHA PALUSTRIS FLOWER/LEAF/STEM EXTRACT

28

Safety score · 0–100

Caution

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

Marsh marigold (Caltha palustris), a Ranunculaceae plant whose fresh tissue contains protoanemonin — a vesicant and strong sensitizer. Not suitable for leave-on cosmetic use; flagged red.

Function

SKIN CONDITIONING - MISCELLANEOUS

Skin benefits

  • Traditional folk-medicine use as topical irritant counter-irritant
  • Contains flavonoids
  • Limited cosmetic interest

Known concerns

  • Contains protoanemonin, a strong skin and mucosal irritant
  • Documented contact dermatitis from fresh plant
  • Toxic Ranunculaceae family member
  • Not appropriate for cosmetic use without rigorous detoxification

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.