Our herbal body care drops contain extracts of Pilocarpus indicus leaves and Dendrobium stems. It can act on the lungs and respiratory system through the blood, stimulating and diluting the mucus in the trachea and lungs, helping to expel phlegm and lung residues within two hours and unclog the airways. Its usage is very simple: Use a dropper to draw 1-2ml (with the gauge on the dropper) and drop it under the tongue. Do this three times a day. It is recommended to use no more than 7 ml per day. Correct the immune system, reduce allergic reactions through desensitization therapy, and effectively treat respiratory allergies, asthma and other diseases.