Background: Acne vulgaris is one of the most common skin disorders accounting for more than the 85% worldwide. Although it usually occurs in adolescents from 15 to 24 years old, it is not uncommon to develop in adults either.
Aim and objectives: to assess the outcome and the efficacy of microneedling (dermapen) and Modified Jessner's solution application among patients with atrophic post acne scars.
Subjects and methods: This comparative randomized trial was conducted in dermatology outpatient under supervision of the staff of dermatology department at faculty of medicine Port Said University. This study was conducted on 30 patients with atrophic post acne facial scars according to Goodman and Baron scarring global quantitative grading system. The patients allocated randomly into two groups: group1 included 15 patients treated with microneedling only and group 2 included 15 patients treated with microneedling plus Modified Jessner's solution.
Result; There was statistically significant difference between the two studied groups regarding Goodmann and Baron Scale after third session. There were 73.3% in grade 1 among group 2 while there was only 1 patient classified as grade 1 among group 1. There was statistically significant difference between the two studied groups regarding satisfaction after third session. There were 86.7% satisfied among group 2 while there were 40% satisfied among group 1. Conclusion: both studied techniques were effective, safe, and had tolerable side effects for treating atrophic acne scars. The combined technique (dermapen and Jessner's solution peeling) showed the best clinical improvement with the least number of sessions.