Our lung mucus cleaning spray contains gluconolactone, vitamin B1, mint leaves. It can effectively clear mucus from the respiratory tract, help improve respiratory function, and make breathing more smooth. The way to use it is simple: shake the product to ensure that the internal ingredients are evenly mixed, aim the nozzle at the mouth, gently press the nozzle, spray 2-3 times slowly inhale and breathe, and let the spray ingredients stay in the lungs for a while. And can improve the discomfort caused by mucus buildup by cleaning the airways.