To evaluate the efficacy of Microneedling combined with Tranxemic acid compared with Micronedlling with PRP in treatment of Pigmented Post Acne Scars.
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To evaluate the comparison between the efficacy of Microneedling combined with Tranexmic acid on the right side of the face and efficacy of PRP on the left side of the face in treatment of pigmented post acne scars
Timeframe: 1 year