Our sleep patches contain glycerin and menthol. It can stimulate the internal thermal sensory organs, accelerate blood circulation, regulate abnormal excitement of nerves, thereby relaxing muscles, relaxing tense nerves, and helping with sleep. Its usage is very simple: first remove the anti sticking layer, then stick the adhesive surface on the sleeping spot, peel it off after getting up, about 8-12 hours. After use, it relaxes tense nerves, effectively improves sleep quality, helps sleep, and makes the whole person more energetic.