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
Contraindicated in Androgenic Alopecia – 
Select and explain. 
A. Testosterone, B. Minoxidil, C. Cyproterone, D. Finasteride
A: Testosterone
Answer: A: Testosterone 
Explanation: Testosterone (androgens) is the cause of androgenic alopecia. So, antiandrogens are used (not androgens).