Microneedling Therapy for Atrophic Acne Scar: Effectiveness and Safety in Vietnamese Patients.

Aim: To evaluate the effectiveness and safety of micro-needling therapy in atrophic acne scar treatment.

Method: A prospective, single centred study was implemented in a total of 31 patients suffering from atrophic acne scar grade 2 to 4 of Goodman and Baron scaring grading system was recruited. They were treated by microneedle derma roller every week in 3 months.