Physiomer Hypertonique Blocked Nose 135ml decongests nasal mucosa by osmotic action. You can use it in case of blocked nose, cold or sinusitis, and also allergic rhinitis.Physiomer seawater is taken off St Malo and does not suffer any dilution. It is treated by electro-dialysis in order to preserve its natural richness in minerals and trace elements : calcium, magnesium, iron, copper, manganese, zinc, selenium ... that are beneficial for infections and help protect the nasal mucosa.Physiomer care decreases the viscosity of mucus and facilitates its elimination, cleanses the nasal cavity and helps evacuation of infectious agents and allergens. Physiomer Hypertonique Blocked Nose is thus involved in protection against infection.Sterile and preservative free. Without propellant.Contains a specially-adapted-to-nose-tip.