Hello. Thank you for visiting our store, we buy things in a licensed pharmacy in the European Union. A sterile solution for inhalation that facilitates breathing in patients with inflammatory diseases of the respiratory system due to the osmotic effect on the mucous membrane of the lower respiratory tract, liquefying the secretion and improving its release and elimination from the body. Composition Sodium chloride - 70 mg / ml, Hyaluronic acid - 1 mg / ml; Water for injection. Dose Use in children (over 6 years): the recommended dose is from 1 to 4 ml of solution. The dose, duration and frequency of use are determined by the doctor. You can start with a minimum dose, increasing it if necessary. Use in adults (over 18 years): use 1 container twice a day. If necessary, the frequency of use can be increased to 4 times a day.