The aim of the study is to evaluate the efficacy and safety of microneedling combined with topical timolol 0.5% in the treatment of atrophic acne scars.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Goodman and Baron's acne scar grading system
Timeframe: through study completion, an average of 9 months
Quartile grading system
Timeframe: through study completion, an average of 9 months
5 point scale for evaluating patient's satisfaction
Timeframe: through study completion, an average of 9 months
Pain assessment
Timeframe: through study completion, an average of 9 months