Evaluation of hair transplantation for improving unnatural hairlines after laser hair removal: A multicenter retrospective study.

Abstract

Laser hair removal treatment for hairlines with an unsatisfactory appearance often leads to an unnatural appearance; however, few studies have reported treatment outcomes. To explore the satisfaction rate of laser hair removal involving the hairline. Retrospective analysis. Data from 5 clinical institutions. Patients (915; 630 female and 285 male) who underwent laser hair removal. Issues associated with hair removal were classified, and their proportions were calculated. Hair transplantation was performed to improve the appearance of different hairline issues. Relevant indicators of hair transplantation and postoperative effects. Overall, 82 patients were unsatisfied with their hairline appearance; of these patients, 58 underwent hair transplantation to improve the hairline. Additionally, demographic statistics showed that 68% and 32% of patients were in the 20 to 30 and 30 to 40 years age groups, respectively; there were no patients in the 40 to 50 years age group. Among female patients who underwent hair transplantation, 25% had a poor hairline position, 64% had a stiff hairline appearance, and 11% experienced both issues. Among male patients, 50% had a stiff hairline appearance, 28% had temporal absence, and 22% experienced both issues. Surgical treatment included moving the hairline forward and rebuilding the frontal curves. All patients were satisfied with hair transplantation outcomes. Laser hair removal can result in diverse types of unnatural hairlines. Hair transplantation has been proven to effectively improve the aesthetic appearance of the hairline.