Pigmentation After TCA Peel

I had TCA peeling 7 weeks ago. and I got huge pigmentation on both cheeks. I went beach 2 weeks later after peeling. but i put sunblock SPf 60. after my doctor gave me bleaching cream 3% hydroquinone and retinol A. but i stopped for 4 days for other treatment. and suddendly this pigmentation comes start to dark and noticeable. is it curable?

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