Botanical Extract
CALTHA PALUSTRIS FLOWER/LEAF/STEM EXTRACT
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
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 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 CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related botanical extracts
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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.