Banned Substance
Mephenesin (INN) and its esters
Safety score · 0–100
Avoid
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Mephenesin is a centrally-acting muscle relaxant drug — an EU Annex II prohibited substance in cosmetic products. Its appearance on an ingredient list is a regulatory flag, not a cosmetic claim. Pharmacological effects, not skin care.
Skin benefits
- No legitimate cosmetic benefit — prescription drug substance
Known concerns
- EU Annex II prohibited substance — drug, not a cosmetic ingredient
- Centrally-acting muscle relaxant with neurotoxicity history
- Presence in cosmetics would indicate adulteration
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related banned substances
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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.