Retina-A and dark patches. Any suggestions?

I have been using retina a micro 0.08% twice a week at night. for going on three weeks. I also use clinda gel in the morning. I am going in to three weeks and I am having peeling around my chin and checks (where most of my mild acne was). I know have small dark patches around these areas. I use aveeno clear complexion face wash and positively radiate SPF in the morning at night I use the clear complexion moisturizer, It is only 0.5% salicylic acid. I don't know what to do. I am dark skin AA .

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