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To date, treatment of atrophic acne scars remains a therapeutic challenge for dermatologists, yet there is no standard option on the most effective treatment. Microneedling (MN) is a minimally invasive technology that involves repetitive skin puncture using sterile microneedles to disrupt dermal collagen that connects the scar tissue. Recent studies have demonstrated the potency of MN, such as dermaroller and fractionated microneedle radiofrequency, in the treatment of atrophic scars. The objective of this review is to evaluate systemat