Our body care patches contain peppermint leaf oil Salvia miltiorrhiza oil and Bone extract. It can effectively clean the lungs and respiratory tract and promote respiratory health; Relaxing the airway muscles can make breathing easier. Its application method is very simple: 1. Thoroughly clean and dry the chest skin; 2. Remove the patch and place it on the skin in the middle of your chest. 3. Wait 8-12 hours and remove the patch. It strengthens the lungs is anti-inflammatory reduces phlegm and makes you feel better.