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Prohibited dye

BASIC RED 2

CAS 477-73-6
18

Safety score · 0–100

Avoid

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

Basic Red 2, also known as Safranin O, is a cationic dye prohibited in EU cosmetic products. It has suspected genotoxic effects and no approved cosmetic colorant status under European regulation.

Skin benefits

  • Historical use as a textile and biological stain
  • Intense color used in laboratory microscopy applications

Known concerns

  • Listed in EU Cosmetics Regulation Annex II as prohibited
  • Suspected carcinogen and mutagen of the safranin O class
  • Not authorized as a cosmetic colorant
  • Can cause skin and mucous membrane irritation

References

EU

EU CosIng database

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

Same plant / compound family

35
BASIC RED 1
Other
 42
BASIC RED 118
Other
 18
BASIC RED 1:1
Restricted hair dye
 42
BASIC RED 22
 40
BASIC RED 46
Other
 42
BASIC RED 51
Hair Dye

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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.