It is a high-tech external plaster based on Transdermal Therapeutic System (TTS) and theory of sleeping nerve regulation. Its herbal ingredients penetrate blood circulation gradually to regulate the nerve center to a state of equilibrium stage, and improve the quality of sleep.Sleeping patch helps to regulate blood circulation and kidney functions, and balance the nervous system, helping the body to rest The new generation Better Sleep Patch is extracted from 100% natural herbs and do not have any side effects Ingredients: Fructus Evodiae, Cortex CinnamomiSpecification: 1.7g ±0.2g/patch;28 patches/Box