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Sulfanilamide monohydrochloride

CAS 6101-31-1
12

Safety score · 0–100

Avoid

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

About

Sulfanilamide Monohydrochloride is a cosmetic ingredient. Exercise caution due to limited available safety data.

Sulfanilamide is the parent compound of the sulfonamide class of antibiotics. Its use in cosmetic products is prohibited in EU Annex II at concentrations >=0.1%. Concerns include the potential for inducing antibiotic resistance with topical exposure, as well as sensitisation reactions. The absolute prohibition reflects the EU's policy against using antibiotic substances in non-medicinal cosmetic applications.

Known concerns

  • EU Annex II banned at >=0.1%
  • Antibiotic substance — resistance concern
  • Potential skin sensitisation

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.