The device seems to quality, it's all over, and appears, at first, match its price. The usage is pretty easy (on the back, things seem more complicated) but it is difficult to assess the effectiveness of the thing since we must wait at least 8 weeks (4 sessions spaced every two weeks). The principle is to send flashes, it heats the skin a little but not too much and sometimes it begs the question of whether the hair is not also toasted when the previous shaving was not perfect. If the device fulfills its promises, it will be perfect!