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Colorant

CI 16255

CAS 2611-82-7
55

Safety score · 0–100

Moderate

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

A red azo dye (Ponceau 4R) used to color cosmetics. Permitted in EU cosmetics with restrictions; some pseudoallergic reactions reported and US bans it for food.

Skin benefits

  • Provides red color in cosmetics
  • Water-soluble dye

Known concerns

  • Azo dye class
  • Pseudoallergenic in sensitive users
  • Not US food-approved

References

EU

EU CosIng database

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

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

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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.