This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: miscellaneous, Subject name: Dental
Whitfield&;s ointment consists of - 
Select and explain. 
A. 3% salicylic acid + 6% benzoic acid, B. 3% benzoic acid + 6% salicylic acid, C. 2% salicylic acid + 4% benzoic acid, D. 2% benzoic acid + 4% salicylic acid
A: 3% salicylic acid + 6% benzoic acid
Answer: A: 3% salicylic acid + 6% benzoic acid 
Explanation: WHITFIELD'S ointment:-3% salicylic acid + 6% benzoic acid. It is used as antifungals and keratolytic iadvl textbook of dermatology page 252