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BASIC GREEN 4

CAS 569-64-2
18

Safety score · 0–100

Avoid

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

About

A triphenylmethane dye listed in EU Annex II (entry 1188), banned from all cosmetic products due to severe toxicity concerns.

Basic Green 4 (CI 42000, malachite green) is a triphenylmethane dye listed in EU Annex II/1188, meaning it is prohibited from all cosmetic products in the EU. Malachite green has been associated with liver toxicity, genotoxicity, and carcinogenic potential in animal studies. Although sometimes used in aquaculture and industrial applications, it has no permitted cosmetic use. The substance carries a pubchem_safety_score of 10, indicating severe concern.

Known concerns

  • EU Annex II/1188 — fully banned in cosmetics
  • Carcinogenic and genotoxic potential
  • Liver toxicity concerns
  • Malachite green component — historically used as a biocide

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.