• Hua Wang, Fan Yang, Hui Wang, Tao Qin, Jia He, and Chan Zhao.
• Dermatological Department (Department of Cosmetic Dermatology, Department of Surgery of Traditional Chinese Medicine), Baoji Hospital of Traditional Chinese Medicine, Baoji, Shaanxi, China.
• Medicine (Baltimore). 2024 Mar 15; 103 (11): e37329e37329.

AbstractTo evaluate the impact of CO2 fractional laser combined with recombinant human epidermal growth factor (rhEGF) gel on skin barrier in acne scar patients. In a retrospective analysis, we examined 105 acne scar patients admitted between July 2018 and August 2021. Of these, 51 received only CO2 fractional laser (control group), while 54 underwent a combination of CO2 fractional laser and rhEGF gel (observation group). We assessed treatment efficacy, symptom relief, skin barrier parameters, pre- and posttreatment inflammatory factors, adverse reactions, posttreatment quality of life, and patient satisfaction. The observation group exhibited a higher overall response rate, significantly shorter wound healing, scab formation, and scab detachment times. Additionally, this group showed increased stratum corneum water content, decreased pH, and transdermal water loss (TEWL), and reduced hypersensitive C-reactive protein and interleukin-6 expression posttreatment. Quality of life scores were higher, with fewer adverse reactions and greater treatment satisfaction. Combining CO2 fractional laser with rhEGF gel markedly improves acne scar treatment efficacy, enhances skin barrier function, reduces inflammation, and elevates quality of life. Its safety profile supports its broader clinical adoption.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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