ColdZyme is a medical-device mouth spray that forms a temporary protective barrier at the back of the throat. It is intended for use following possible exposure to cold viruses or at the first signs of symptoms. Key features: Suitable from 4 years Used at the first signs of a cold May help relieve cold and sore-throat symptoms Sugar-free and preservative-free How to use:Aim the nozzle towards the back of the throat and spray twice. Repeat every two hours, with a recommended six doses daily, while exposed to cold viruses or until symptoms are relieved. Important information:Do not inhale while spraying. Avoid eating or drinking for 20 minutes after use. Each bottle should be used by one person only. Always read the enclosed instructions before use. Product Information Leaflet