Whether a patient will need multiple hair transplant procedures to achieve their desired density or coverage depends heavily on the type of procedure chosen (FUT vs. FUE) and your specific hair type, in addition to your initial level of hair loss and long-term goals.
For instance, FUT (Follicular Unit Transplantation), especially specialized versions like the High-Yield Unit Extraction Plus (HUE+)® technique, generally allows for the transplantation of a much higher number of grafts in a single session (up to 4,000, and sometimes even 5,000 to 7,000+ with HUE+ depending on scalp elasticity) compared to FUE transplants, which is typically limited to around 2,000 grafts per session.
This means patients needing extensive coverage are less likely to require multiple sessions with FUT/HUE+. Furthermore, people with naturally curly or coily hair often create the visual appearance of greater density with fewer grafts than those with straight hair, potentially reducing the need for a second session, though multiple procedures may still be needed due to progressive hair loss over time or to refine existing results.