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Prescription antibiotic, banned in cosmetics

Sulfacetamide

CAS 144-80-9
8

Safety score · 0–100

Avoid

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

Sulfacetamide is a prescription sulfonamide antibiotic for acne and rosacea. EU cosmetics rules prohibit antibiotics, and sulfonamide allergy can cause severe hypersensitivity reactions.

Skin benefits

  • Prescription sulfonamide antibiotic used in dermatology for acne and rosacea
  • No use as a non-medicinal cosmetic ingredient

Known concerns

  • Classified as a medicinal product in the EU and US
  • Sulfonamide allergy can trigger severe systemic reactions including Stevens-Johnson syndrome
  • Antimicrobial use over-the-counter contributes to bacterial resistance
  • EU Cosmetics Regulation Annex II prohibits substances acting as antibiotics

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, so always read the physical product label and consult a healthcare professional for personal concerns.