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Colorant

BASIC ORANGE 1

CAS 4438-16-8 Updated
8

Safety score · 0–100

Avoid

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

About

An old cationic azo hair dye that is now prohibited for cosmetic use in the EU under Annex II. Should not appear in any modern compliant cosmetic product sold in the EU.

Function

HAIR DYEING

Skin benefits

  • Historical hair colorant only

Known concerns

  • EU Annex II prohibited
  • Genotoxicity concerns
  • Not legal in EU cosmetics

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.