Nasaline Is A Unique, Patented, Natural, Drug-Free Nasal Wash System For Nasal Decongestion, Designed By A Group Of Swedish Otolaryngologists. The Nasaline Effectively Removes Unwanted Mucous Secretions, And Any Allergens From Nasal Cavity. After Prolonged Stay In Dry, Dusty Or Smoky Atmosphere, Cleans And Obstructs The Nasal Passages, Reducing Nasal Irritation And Hydrating Mucous Factors.