This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti Microbial, Subject name: Pharmacology
[{'content': 'Which of the following is a topical antifungal agent? \nSelect and explain. \nA. Benzyl benzoate, B. Brimetenide, C. Butenafine, D. Posconazole', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Butenafine Butenafine:* Butenafine is a benzylamine congener of the terbinafine, which acts by inhibiting the enzyme squalene epoxidase.* Used only topically for treatment of dermatophytosis.* Efficacy in tinea cruris/corporis/pedis is similar to that of terbenafine.", 'role': 'assistant'}]