I think that really depends on you. Acne really differs from person to person. But if i had to take a guess from what i have read....Anavar..would be my choice.
I will BUMP for a better answer...i am also curious.
For me, clomid is the worst culprit----therefore, Oxandrolone at a doseage that does not require restarting HPTA with clomid would be my recommendation.