Hair Transplant FUE Punch Size Selection: The ID vs. OD Decision Matrix That Determines Graft Quality and Scar Outcome
FUE punch size selection is far more complex than simply 'going smaller.' This in-depth guide breaks down the critical ID vs. OD decision matrix, mapping patient-specific variables like follicle diameter, curvature, and ethnic morphology to optimal punch specifications. Backed by 2026 ISHRS data, it's the engineering-meets-anatomy framework every surgeon and informed patient needs.













