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Colorant

FLUORESCENT BRIGHTENER 236

CAS 3333-62-8 Updated
70

Safety score · 0–100

Fine

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

About

A naphthotriazole-coumarin optical brightener used to make formulas appear whiter. PubChem reports no GHS hazard classification; cosmetic use is niche.

Skin benefits

  • Optical brightener
  • Provides UV-fluorescence whitening
  • Stable performance

Known concerns

  • Synthetic optical brightener
  • Limited dedicated cosmetic CIR review
  • Possible mild irritation in sensitive users

References

EU

EU CosIng database

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

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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.