PulmoSafe Natural Lung Cleansing Herbal Drops works through the bloodstream to stimulate and dilute mucus in the airways and lungs, helping to expel phlegm and lung residue within 2 hours and unclog the airways. The PulmoSafe research team pioneered the use of Radiciciclovir (RDV), a combination of natural extracts such as Miscanthus and Dendrobium, to help regenerate airway and alveolar tissue in the lungs, leaving you with healthy, clear lungs. How to Use: Specifications: