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Mercury and its compounds, except those special cases included in Annex V

CAS 7439-97-6
2

Safety score · 0–100

Avoid

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

A cosmetic ingredient used in product formulations. Its specific function may vary between products. Exercise caution due to limited available safety data.

Mercury and its compounds (CAS 7439-97-6) are listed in EU Annex II (Regulation EC No 1223/2009) — the list of substances prohibited in cosmetic products. This is the most restrictive category in EU cosmetics law. Mercury acts as a potent neurotoxin and nephrotoxin, accumulating in the body over time. Any cosmetic product found to contain mercury in detectable quantities is non-compliant with EU law, regardless of concentration or intended use.

Known concerns

  • EU Annex II — banned substance
  • Neurotoxicity
  • Nephrotoxicity
  • Bioaccumulation

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.