Counterfeit Botulinum Toxin and Cosmetic Iatrogenic Botulism:  Emerging Threats that Require Regulatory Reform. SKIN The Journal of Cutaneous Medicine, [S. l.], v. 9, n. 5, p. 2574–2583, 2025. DOI: 10.25251/kkby0454. Disponível em: https://skin.dermsquared.com/skin/article/view/3596. Acesso em: 6 may. 2026.