Dark circles under the eyes are caused by a very specific physiology mechanism and some reasons are tension, not taking proper sleep, diet is not proper. If you want that dark circle not more appear on your ace, you have to use our advanced kit. In advanced kit, there are 12 joints for each hand. According to Accupressure, when there is excess heat in gallbladder, Dark circle appear on your face. You need to understand that is their any dark or white patches on your body; it is because of excess heat. Even Leucoderma is also caused by excess of heat.