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Colorant

DISPERSE BLUE 7

CAS 3179-90-6 Updated
22

Safety score · 0–100

Caution

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

About

An anthraquinone disperse dye used to add blue color, mainly in hair formulations. Anthraquinone disperse dyes are documented contact sensitizers with limited cosmetic safety data.

Function

HAIR DYEING

Skin benefits

  • Provides blue color in hair dye formulations
  • Stable colorant

Known concerns

  • Anthraquinone hair dye with skin sensitization potential
  • SCCS has flagged anthraquinone disperse dyes for safety review
  • Allergen risk in leave-on cosmetics
  • Limited cosmetic-specific safety data

References

EU

EU CosIng database

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

Related colorants

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6-HYDROXYINDOLE
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ACID RED 27
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Acid Orange 24 (CI 20170), when used as a substance in hair dye products
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BASIC BLUE 26
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BASIC BROWN 4
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CI 21100
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CI 44045
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DISPERSE VIOLET 4
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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.