Our lung health declines containing extracts of traditional Chinese medicine, gluconolactone, vitamin b1. It can provide a fresh feeling and make you feel comfortable. Help maintain product stability and effectiveness; Provides a sense of cooling and improves the user experience. The way to use it is very simple: shake it well before eating, 1-2 drops each time, 1-2 times a day. The ingredients are safe and do no other harm to the body. Provides daily freshness and improves the feeling of your breath.