Graft viability in FUE is not determined solely by whether a follicle is transected, but by the total burden of microstructural and cellular injury it sustains during extraction. Based on: Park JH, You SH. "Various Types of Minor Trauma to Hair Follicles During Follicular Unit Extraction for Hair Transplantation. IFAAS Seoul Mini Fellowship Korean Advanced Hair Transplant and Hair Restoration.

Hair transplantation has evolved significantly over the past several decades, with Follicular Unit Transplantation (FUT) and Follicular Unit Extraction (FUE) emerging as the two primary surgical techniques for the treatment of various forms of hair loss. However, no single technique is universally appropriate for all patients . Differences in donor area characteristics, extent and pattern of hair loss, scalp laxity, hairstyle preferences, scarring concerns, and long-term re

Hair restoration surgery has evolved remarkably over the past two decades, with follicular unit excision (FUE) becoming the gold standard for minimally invasive procedures that deliver natural-looking results. Among these innovations, Preview Long Hair FUE (PLH-FUE) stands out as a technique that allows surgeons to transplant hair while retaining long hair shafts, providing a real-time “preview” of the final aesthetic outcome. This article draws on the comprehensive review