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Sulfathiazole

CAS 72-14-0
42

Safety score · 0–100

Moderate

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

About

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

Sulfathiazole is a sulfonamide-class antibiotic with well-documented skin sensitization (H315), eye irritation (H319), and respiratory irritation (H335) potential. Sulfonamides are associated with photosensitivity reactions and allergic cross-reactivity. While not absolutely banned, it is not approved for cosmetic use in the EU and would require prescription oversight if used in topical pharmaceutical preparations.

Known concerns

  • Skin sensitization (H315)
  • Eye irritation (H319)
  • Respiratory irritation (H335)
  • Photosensitivity risk
  • Antibiotic resistance concerns

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.