If the mugwort foot patch is for fever and detoxification, then this foot patch has the cooling effect. A must for travel! Especially after walking for a day, I put this on, it feels very soothing. The foot patch has a slight mint scent. If the summer is very hot, you can also put it in the refrigerator to refrigerate for a while before taking it out. If used at room temperature, this foot patch can be cooled for about two hours