Oily Skin and Occasional Painful Cystic Pimpl?

when i was a teenager i was on meds called orantane due to my cystic acne. im a 26 yr old male now who looks after his skin also with daily use of spf. i find however that i get the occasional painful cystic pimple and i have very oily skin. i dont know if its due to the fact i take a generic version of propecia for my hair. i cant stop that though. do i need to go back to oratane or just deal with my skin issues. the ones that are awful are the ones that happen on the lip. very painful.

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