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: Dental
Which of the following chemical is responsible for the skin condition given below: 
Select and explain. 
A. MBEH, B. PTBP, C. PTTP, D. Hydroquinone
A: MBEH
Answer: A: MBEH 
Explanation: Monobenzyl ether of hydroquinone (MBEH) : a chemical constituent of rubber in slippers can lead to contact leucoderma as shown in the above image.