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Colorant

ACID ORANGE 6

CAS 547-57-9
30

Safety score · 0–100

Caution

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

A synthetic orange azo dye. Not listed on the EU permitted cosmetic colorants list. Azo dyes carry class-level safety concerns and this one is not approved for general cosmetic use.

Function

HAIR DYEING

Skin benefits

  • Adds orange color

Known concerns

  • Azo dye class concerns
  • Not on EU Annex IV permitted colorants for cosmetics

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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2,3-Dihydro-1H-indole-5,6-diol and its hydrobromide salt (see note 17).
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2,3-Naphthalenediol, when used as a substance in hair dye products
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2-HEXYLOXYCARBONYL-P-PHENYLENEDIAMINE HCL
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4-NITROGUAIACOL
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ACID GREEN 1
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ACID RED 92
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ACID VIOLET 9
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BASIC BLUE 75
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Same plant / compound family

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ACID ORANGE 24
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ACID ORANGE 3
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ACID ORANGE 7
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Acid Orange 24 (CI 20170), when used as a substance in hair dye products
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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.