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: Surgery
Active substance in Dakins skin dressing agent used in burns is ? 
Select and explain. 
A. Mafenide acetate, B. Silver sulfadiazine, C. Sodium hypochlorite, D. Nystatin
C: Sodium hypochlorite
Answer: C: Sodium hypochlorite 
Explanation: Ans. is 'c' i.e., Sodium hypochlorite