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
Treatment of acne vulgaris may include all except? 
Select and explain. 
A. Cryotherapy, B. Oestrogens, C. UV light, D. Androgens
D: Androgens
Answer: D: Androgens 
Explanation: D. i.e. Androgen