How to clear papules and blackheads?

I have tried everything to clear my skin and go to a dermatologist regularly but nothing clears my skin. I've tried a few antibiotics, adapalene, retina, ammonium lactate, supplements like zinc, primrose oil, 2-3 different types of birth control and nothing has worked. I do not have severe acne, probably 2-5 papules at a time and blackheads. I've tried pore strips and BHA's for the blackheads and have had little improvement. My acne actually started after I got off birthcontrol. Any suggestions?

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