DHI Hair Transplantation (Direct Hair Implantation) means “Direct Hair Transplantation”. In this method, which has become widespread especially since 2016 – 2017, thanks to the medical pen called choi, the hair taken by the fue method is placed directly on the planting area without opening the canal. In this way, the waiting time of the extracted hair follicles in the external environment is minimized. Thanks to the DHI method, the roots are placed in a shorter time and the healing process is faster. It is more preferred, especially because it provides the opportunity to make healthier and more frequent plantings in the hairy areas.