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ans of the microneedle claim it treats everything from wrinkles, hyperpigmentation and dull skin to issues such as scars, stretch marks, and cellulite – although results are still dubious on that last one, so don’t get your hopes up.
However, in a 2009 study, 37 patients underwent microneedling procedures to treat atrophic facial scars (those sunken scars that result from acne, chicken pox, etc.).