?Easy To Carry? You can put the phlegm remover in your backpack when you go on a business trip, they will not take up your space, and you can use dendrobium & mullein extract herbal drops at any time because it is small and easy to carry. ?Easy Using?The method of use is to suck 1-2 miles under the tongue with the plant Dendrobium & Mullein Extract Herbal Drops (there is a measurement label inside the dropper), 3 times a day. It is not recommended to use morethan 7 ml per day. ?Auxiliary Stability Maintenance?Dendrobium & mullein extract allow you to embrace health, assist in body stabilisation, maintain the respiratory tract, make your nasal passages and lungs feel like a protective film, lung cleanse, nourished and purified, help reduce cough and asthma, deep penetration, health from within!. ?Natural Herbal?The drop contains Dendrobium, Mullein Extract, Elderberry, Burdock Leaf. Herbal health, botanical extracts, lung cleanse, helping oral antibacterial, pain relief, mild and comfortable, providing your respiratory tract with long term protection, lung detox for smokers. ?Herbal Lung Health Essence?DO YOU HAVE SUCH WORRIES: Dry throat, Have a sore throat, Sputum residue, Sense of suppression in the chest, etc? Dendrobium & mullein extract herbal drops are rich in natural herbal extracts which stimulate the lungs and respiratory system through the bloodstream, thinning mucus in the airways and lungs, helping to expel phlegm and residue within 2 hours and unblocking the airways.