Sulfanilamide, monosodium salt
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Sulfanilamide, Monosodium Salt is a cosmetic ingredient. Exercise caution due to limited available safety data.
Sulfanilamide is the parent compound of the sulfonamide antibiotic family. While sulfanilamide itself may be less sensitizing than some derivatives, it remains subject to EU Annex III restrictions in cosmetic products. The sulfonamide moiety is associated with allergic contact dermatitis in sensitized individuals. Maximum concentration limits apply to leave-on products in the EU market.
Known concerns
- Sulfonamide - sensitization risk
- EU Annex III restriction for leave-on products
- Potential for allergic contact dermatitis
References
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.