The physiological seawater nasal spray from Nerang, Nerang is a brand produced by a manufacturer, all manufacturers produce physiological seawater nasal spray, as long as it is produced by a normal manufacturer, the role and effect is the same. Physiological seawater nasal spray is mainly an adjunctive treatment for various rhinitis. The main ingredient of physiological seawater nasal spray is sodium chloride, which can also be used for nasal cleansing with physiological saline. It mainly cleanses various secretions in the nasal cavity, keeps the nasal cavity clean, restores the important function of excretion and secretion of nasal mucous membrane cilia, and also cleanses inhaled allergens to reduce the chance of allergic rhinitis attacks caused by inhaled allergens.