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Colorant

ACID RED 52

CAS 3520-42-1 Updated
35

Safety score · 0–100

Caution

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

About

A xanthene/sulforhodamine pink dye (Food Red 106 in Japan). Not approved as a cosmetic colorant under EU Regulation 1223/2009 Annex IV — best avoided in EU products.

Function

HAIR DYEING

Skin benefits

  • Bright pink/fluorescent dye for color cosmetics
  • Permitted in some non-EU markets
  • Stable in formulation

Known concerns

  • Not on EU CI-permitted list for cosmetics (Regulation 1223/2009 Annex IV)
  • Sulfonated xanthene dyes have raised photosafety questions
  • Allergy/irritation reported with rhodamine-class dyes

References

EU

EU CosIng database

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

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ACID BLACK 52
Colorant

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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.