Roaccutane before rhinoplasty?

Hi. I got two rhinoplasty, and I am still not satisfied with the result, because I got very thick and oily skin. I asked a doctor if a third rhinoplasty would help and he recommended Roaccutane for 8 month before a third rhinoplasy. Why roaccutane? I do not have acne and there is a lot of side effects of roaccutane. Is it a good idea?

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