Dealt with hyperpigmentation from childhood. I'm darker complected and a blemish turns into a brown mark. What do I do? (Photo)

How do I stop the acne from forming then get rid of the hyper pigmentation?It cleared up but this summer it came back with a vengeance. What do I do I've tried everything,and most cases caused it to worsen. I use sunscreen everyday SPF 70+ but I breakout and I'm left with brown marks all over my face,what do I do?

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