This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Skin
Which of the following drugs is not antifungal? 
Select and explain. 
A. Capofungin, B. Undecylenic acid, C. Ciclopirox, D. Clofazimine
D: Clofazimine
Answer: D: Clofazimine 
Explanation: D i.e., Clofazimine Capsofungin, an echinocandin, is a cell wall antagonist that blocks glucan synthetase. It's an intravenous drug used in treatment of aspergillosis or candidosis (resistant species). Ciclopirox and undecylenic acid are antifungal but clofazimine is not.