There is a piece of incorrect information about the applicability of the DHI technique only in hairy areas. There is no valid reason for this argument. It can be applied in all regions where the FUE sapphire technique is applied. In addition, it is the only option for hair areas. Because during the opening of the channels to the scalp in the FUE sapphire technique, the existing hair is damaged. In a nutshell, it kills the existing hair and new ones are planted instead. In the DHI technique, existing hair is preserved and new hair is transplanted in addition to the existing hair. Thanks to this, it is possible to achieve a more intense image with the addition of existing hair. The transplantation of the hair follicles (grafts) to be transplanted without damage is the most important factor that directly affects the result. That is why the team that will operate should be selected carefully