Skip to content

Colorant

Bisbenzimidazo[2,1-b:2',1'-i]benzo[lmn][3,8]phenanthroline-8,17-dione

CAS 4424-06-0
72

Safety score · 0–100

Fine

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

A vat-red perylene-type pigment (CI 71105). EU Annex IV permits this colorant in rinse-off cosmetics only. Inert insoluble pigment with strong lightfastness.

Skin benefits

  • Provides red colour in rinse-off
  • Lightfast and stable
  • Inert insoluble pigment

Known concerns

  • EU rinse-off restriction
  • Pigment dust — handle with care
  • Limited leave-on data

References

EU

EU CosIng database

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

Related colorants

Check your shelf

Find Bisbenzimidazo[2,1-b:2',1'-i]benzo[lmn][3,8]phenanthroline-8,17-dione in your products.

Scan any cosmetic product with LuxSense to see if it contains Bisbenzimidazo[2,1-b:2',1'-i]benzo[lmn][3,8]phenanthroline-8,17-dione and get a full ingredient breakdown with safety scores.

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.