Thanks for reaching out about this! While our TCA Body Peel is not necessarily designed to treat stretch marks, it is excellent to strengthen the skin and remove hyperpigmentation. I would recommend using this peel in combination with our Microneedling Tool to brighten the hyperpigmentation and strengthen and smooth the texture of the skin. Microneedling can be beneficial, as it will boost collagen and repair the skin more quickly. We recommend applying a layer of the TCA Body Peel 2-3x a week and microneedle after.