2. The effect of laser hair removal and photon hair removal is not really permanent, but lasting.
3.FDA's certification of laser hair removal is that hair can be "permanently reduced" rather than "permanently removed", which means that laser hair removal cannot guarantee thorough and permanent cleaning.
4, real permanent hair removal, there is only one technology that can be done at present, that is, insulating micro-needle hair removal. Insulated micro-needle hair removal is a real permanent hair removal, which does not last long after hair removal.