After 3 sessions, the legs are practically smooth: few cons for regrowth by the shirt there are more volunteers. I think we need at least 10 sessions for a completely smooth. Level use: The device is easy to use, I regret that the cord is a bit short, the flash tends to hurt the eyes and it is difficult to identify locations of flashed those that were not. For those who have many moles like me, should be provided to cover the stickers, easy usage history of the device.