Abstract
Combination of microneedling and chemical peeling is a simple cost-effective treatment for acne scars. To compare efficacy and safety of combining microneedling with 35% glycolic acid (GA) peel versus microneedling with 15% trichloroacetic acid (TCA) peel in facial atrophic acne scars. Forty acne scars patients were randomly divided into 2 groups of 20 each. Patients underwent microneedling followed by 35% GA peeling in Group 1 and 15% TCA peeling in Group 2 at 2 weekly intervals. Improvement was graded by Goodman and Baron's qualitative and quantitative global acne scar grading systems, physician's global assessment, and visual analogue scale (VAS). Skin texture was graded by VAS. On comparing qualitative and quantitative acne scar grading within groups, there was significant difference from the baseline. When the two groups were compared for quantitative and qualitative acne scar grading, the difference was statistically not significant at the end of therapy. In VAS, greater number of patients assessed response as excellent and good in Group 1 than in Group 2 indicating better skin texture improvement in Group 1. Both combinations were equally efficacious in treating acne scars. Glycolic acid peel delivered additional advantage of improvement in skin texture.
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