“…Hair transplantation has been performed for more than 30 years 10 . There have many advances in this field in recent years, including improvements in donor hair harvesting, 11,12 graft sizes and processing, 13–19 local anesthesia, 20 and implanting technique 1–3,5,7–9,21,22 . The common purposes of all of these are to improve hair survival, increase the naturalness of the results, and shorten operation time.…”