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Banned pharmaceutical

Sulfadoxine

CAS 2447-57-6
5

Safety score · 0–100

Avoid

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

A long-acting sulfonamide antimalarial drug. Prohibited from cosmetic use under EU Annex II because pharmaceutical antibiotics should not be applied via consumer products due to resistance and severe reaction risks.

Skin benefits

  • No cosmetic benefit; prescription antimalarial drug, banned in cosmetics
  • Intended for pharmaceutical treatment of disease under medical supervision, not skin care

Known concerns

  • Pharmaceutical antibiotic, prohibited in cosmetic products in the EU
  • Can cause severe skin reactions including Stevens-Johnson syndrome
  • Promotes antimicrobial resistance with topical use
  • Sulfonamide allergy risk in sensitized individuals

References

EU

EU CosIng database

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

Related banned pharmaceuticals

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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.