Rhinaris Nasal Mist helps moisturize and lubricate dry nasal passages caused by low humidity in homes, office buildings, hotels and airplanes. It provides long-lasting relief. Rhinaris Nasal Mist is packaged with a metered-dose pump, consistently providing 300 doses per bottle.Directions: Adults: One (1) or two (2) sprays into each nostril every four (4) hours or as needed. Please refer to the package insert included with the product for detailed directions of use. Protect from freezing.Precautions: For nasal use only. Keep out of reach of children.