painless and permanent hair removal:The hibeauty IPL hair removal emits a warm light and the skin only feels mild heat. It is very gentle, especially for first-time users or operating on gentle areas, such as the face or bikini line.6 Levels of hair removal :6 different energy levels to adapt different skin. You can adjust the level according to the skin area and your feeling. First time you should better use the level 1 ,hair removal is used for bikini line, armpit, fingers, lips arms, legs, stomach and back.use tips of hair removal : pls.make sure your skin and the hair removal to be at a 90 degree angel, then y ou can see the light turn to be purple. It can works now.press the sun key.An Economical At-Home hair removal device: Compared with the cost of salon hair removal methods, this At-home hair removal device is more economic, after use it,you will get more and more beautiful and confident.