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BASIC GREEN 1

CAS 633-03-4
35

Safety score · 0–100

Caution

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

About

A basic green triphenylmethane dye used in cosmetic formulations, restricted under EU Annex III regulations. Carries significant safety concerns and has limited permitted applications.

Basic Green 1 (CI 42040, CAS 633-03-4) is a triphenylmethane basic dye restricted under EU Annex III reference 1299 of the Cosmetics Regulation, limiting its permitted applications and concentrations in cosmetic products. Triphenylmethane dyes have been associated with skin sensitization and are under regulatory scrutiny for potential genotoxicity. The EU restriction indicates that only specific, controlled uses are permitted, and formulators must observe the stated maximum concentrations.

Skin benefits

  • Provides green coloration to cosmetic products

Known concerns

  • EU Annex III restricted (reference 1299) - limited permitted uses
  • Triphenylmethane dye with potential skin sensitization
  • Regulatory scrutiny for potential genotoxicity
  • Limited data on long-term topical safety

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.