Gillette Venus Naked Skin® designed by Braun is an intense pulsed light hair removal system that has been clinically tested for at-home use. In other words, you'll get professionally derived intense pulsed light technology at a fraction of the cost. With continued, periodic use, the light energy helps prevent unwanted hair from reaching the skin's surface. How often or when do you treat with Naked Skin®IPL? During the Start Up phase, treat once every two weeks for 6 - 12 treatments. After the Start Up phase, just treat once every two months to maintain Continuously Smooth skin. Maintaining beautiful skin just got a whole lot easier.