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Prohibited metal salt

Nickel dicyanide

CAS 557-19-7
5

Safety score · 0–100

Avoid

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

Nickel dicyanide is an inorganic nickel salt with no cosmetic role. Nickel and its compounds are banned from EU cosmetics because they cause contact allergy and carry carcinogenicity concerns.

Skin benefits

  • No legitimate cosmetic function
  • Listed only as a chemical reference entry

Known concerns

  • Nickel compound, prohibited in EU cosmetics under Annex II
  • Soluble nickel salts are potent skin sensitizers
  • Cyanide-containing inorganic complex with acute toxicity potential
  • Suspected carcinogen and reproductive toxicant by analogy to other nickel salts

References

EU

EU CosIng database

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

Related prohibited metal salts

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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.