Abstract
This study was designed to evaluate the safety and efficacy of injections of concentrated growth factors (CGF) for hair growth promotion in androgenetic alopecia (AGA) patients. A retrospective review of AGA patients treated with injections of CGF at our center from October 2021 to April 2023 was performed. A total of 3 injections were administered every 3-4 weeks apart, and evaluation were performed before the first injection and at 3 months, 6 months later. The outcomes were assessed by trichoscopy photomicrographs and the Global Aesthetic Improvement Scale (GAIS). At 3 months after the first injection, the hair density and hair growth ratio were significantly improved. Significant improvements were found in GAIS score by both patients and independent doctors and the hair growth promotion was sustained for 6 months after first treatment. According to this tiny single-arm trial, the use of CGF injection may help AGA by increasing terminal hair density and hair density. No severe topical or systemic adverse events occurred during the treatment.
Published Version
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