Skip to content

Colorant

CI 42090

CAS 2650-18-2/ 37307-56-5/ 3844-45-9
72

Safety score · 0–100

Fine

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

Brilliant Blue FCF — a vivid synthetic blue dye used in shampoos, mouthwash and color cosmetics. Approved by EU and FDA, but not allowed near the eyes.

Function

COLORANTHAIR DYEING

Skin benefits

  • Bright, stable blue colorant for cosmetics
  • Approved EU food additive E133
  • Well-tolerated on skin in approved uses

Known concerns

  • EU prohibits in eye-area products
  • Possible mild skin staining
  • Aluminum lake form raises restrictions

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.

View →

Related colorants

72
BRONZITE POWDER
Colorant
 72
Bisbenzimidazo[2,1-b:2',1'-i]benzo[lmn][3,8]phenanthroline-8,17-dione
Colorant
 72
CHLOROPHYLLIN-COPPER COMPLEX
Colorant
 72
CI 71105
Colorant
 72
CI 73915
Colorant
 72
CI 75135
Colorant
 72
Ferric Ammonium Ferrocyanide
Colorant
 72
GARDENIA JASMINOIDES FRUIT
Colorant

Check your shelf

Find CI 42090 in your products.

Scan any cosmetic product with LuxSense to see if it contains CI 42090 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.