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Banned Substance

Convallatoxin

CAS 508-75-8
2

Safety score · 0–100

Avoid

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

Convallatoxin is a potent cardiac glycoside from lily-of-the-valley, banned from EU cosmetics. Tiny amounts can disrupt heart rhythm; never appears in legitimate skincare.

Skin benefits

  • Not for cosmetic use

Known concerns

  • EU Annex II banned cardiac glycoside
  • Highly toxic; affects heart rhythm
  • Lily-of-the-valley plant toxin

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.