Nonshaven Follicular Unit Extraction with Pretrimming Method and a Large-Session Hair Transplantation: Experience of a Brazilian Surgical Team.

BACKGROUND: Androgenetic alopecia is a prevalent condition, with advanced cases often requiring surgical intervention. The nonshaven follicular unit extraction (nonshaven FUE) technique, combined with a large-session hair transplantation, has emerged as a strategy to optimize aesthetic outcomes and reduce social stigma. OBJECTIVES: The aim of this study was to describe the technique of nonshaven FUE with large-session hair transplantation using the pretrimming method. METHODS: A retrospective analysis of medical records was conducted on patients who underwent hair transplantation using nonshaven FUE with individualized pretrimming of donor hairs. All procedures were performed by the same surgical team between May 2015 and October 2023. RESULTS: The retrospective analysis was conducted on 236 patients (91.95% male; mean age 44.17 ± 10.12 years). A large-session hair transplantation (>2500 grafts) was successfully performed in all patients, with efficient donor harvesting and implantation in both men and women. CONCLUSIONS: Nonshaven FUE with pretrimming method and a large-session hair transplantation represent a safe and effective approach for advanced androgenetic alopecia.