Treatment for Stretch Marks, Scars, and Pigmentation on Hips and Buttocks?

My entire buttocks and hips have stretch marks, scars, and dark pimentation. This problem has been existent since my puberty days. The skin on this area appears visibly dark, unven, and rough as compared to the rest of my body. I feel very embarrassed and have never tried wearing a swim suit. Is there any laser treatment available to diminish scars, reduce hyperpigmentation, and lighten stretch marks? Or any peels that would work? Any advice would be sincerly appreciated.

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