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Banned Substance

Sodium cyanide (ISO)

CAS 143-33-9 Updated
2

Safety score · 0–100

Avoid

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

About

An industrial cyanide salt with extreme acute toxicity; never appropriate in cosmetics. Listed in EU Annex II — prohibited from cosmetic products and one of the most acutely toxic inorganic compounds in commerce.

Skin benefits

  • No legitimate cosmetic function — industrial use only

Known concerns

  • Extreme acute toxicity (GHS H300) — fatal if swallowed, inhaled, or absorbed
  • EU Annex II prohibited
  • Releases hydrogen cyanide on contact with acid
  • Severe environmental toxicity

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 — always read the physical product label and consult a healthcare professional for personal concerns.