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Colorant

ACID ORANGE 24

CAS 1320-07-6 / 6371-84-2 Updated
12

Safety score · 0–100

Avoid

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

About

A monoazo hair-dye colour (CAS 1320-07-6 / 6371-84-2) banned in EU cosmetics as a non-oxidative hair dye. Severe sensitisation case reports and aromatic-amine impurity risks underpin the ban.

Function

HAIR DYEING

Skin benefits

  • No permitted cosmetic benefit in EU

Known concerns

  • EU Annex II prohibited
  • Documented severe contact sensitiser
  • Class concern over aniline-type breakdown products

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.