indoor heat and dry climates. Good for nasal dryness experiencedduring air travel, oxygen and CPAP use, as well as by dryness caused by atrophic rhinitis and post radiation therapy. Suggested Use: Use 1-2 sprays into each nostril every 4 to 6 hours. In case of persistent dryness, you may increase frequency. Ingredients: Sodium Chloride, Soldium Bicarbonate Glycerin, Soldium Hyaluronate 1%, Aloe Vera, Allantoin, Carboxymethylcellulose, Propylene Glycol, USP Grade Purified Water, Methylparaben and Propylparaben are added as preservatives.  (less)