This study aimed to evaluate the efficacy of dermaroller and topical vitamin C- either separate or combined- in treatment of post acne scars. prospective randomized clinical trial that was The study was a randomized controlled trial, conducted in Sohag Dermatology outpatient clinic between June 2016 and of February 2018. 30 patients with acne scars were included. All patients were informed about the entire procedure, medication, possible side effects and outcomes. A written informed consent was signed from each participant.
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Clinical response by (ECCA) scale
Timeframe: 9 months