Guoguo Dendrobium & Mullein Extract Herbal Drops Herbal Tissue Department Healthy Essence, Powerful Lung -support&cleanse & Respiratory 30ml-ykc 3pcs

How to use -- Use a dropper to draw 1-2ml under the tongue (marked inside the dropper), 3 times a day.It is not recommended to exceed the dose of 7ml in a day.Specification:Clear Breath Dendrobium Extract Herbal Drops 30ml/1fl.oz