First, this epilator light is not used on too dark skin (risk of burns) or on clear blond or gray hair. The best to find its intensity is to refer to the small table with forni. It compares your skin type and the intensity of the color of your hair. For some recommendations, read the leaflet. Basically it 'is to shave just before use and to space the first sessions of 2/3 weeks. The number of accessories around the epilator is significant; goggles, precision tip for the face, a phone application that you recall your sessions and makes personal monitoring. All these extras were not provided with before. The result is not instantaneous, it takes several weeks before you see his hair implantation decrease. This will never be a permanent hair removal, but after several months, if you are thorough in your sessions, you will see very little hair continuous to grow. Since accessories, quality device I think this is a good quality / price ratio.