[Skin Concerns] Bumpy, dry, unattractive skin on chest. Doesn't really look like acne.

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Here is a picture, clearest I could get in this lighting. [ignore the slight hair, persian problems!]I've had this for as long as I can remember. I have no idea what the cause is or how I can clear it. The skin all over is super bumpy and dry, I have little black dots that look somewhat like blackheads, but I think they're just pores. The main concern are the acne like spots and the bumpy texture/dryness. I've tried different shower gels, not using a loofah and just using hands to clean, I've tried a konjac sponge, I got prescribed differin for my face and tried it on my chest too, I've used a million different moisturisers, but some make it break out more. Nothing has worked. Should I be using any specific products, like an aha or bha on my chest? Or, am I doing something wrong in regards to showering?
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Submitted by Sophienight