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Colorant

FAST GREEN FCF

CAS 2353-45-9
55

Safety score · 0–100

Moderate

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

A synthetic green dye (CI 42053) used in cosmetics and foods. EU restricts it from eye and lip cosmetics, but it is generally regarded as safe at allowed levels.

Function

HAIR DYEING

Skin benefits

  • FDA-approved food and drug colorant
  • Stable bright green dye
  • Used in cosmetics and food

Known concerns

  • EU restricts to non-eye/lip cosmetic uses
  • Possible mild irritation
  • Sulfonated triphenylmethane dye class
  • Allergen risk for sensitive users

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.