The foot pad discharges toxins from the sole of your foot through accupuncture points and plants extracts. It can relieve tension & fatigue, promote sleeping, soften skin, and promote health condition. The main ingredients of this foot patch is bamboo vinegar, which has super functions of infiltration and toxin dispelling. Just attach this detox foot patch to your feet before sleeping, the next morning you will find large amounts of black and sticky waste oil, liquids and toxins that have been dispelled by the foot pad.