Nasosal Spray Nasosal Spray is a safe & effective saline nasal spray for clearing nasal congestion in babies, infants & children. In older babies & children, a blocked nose can sometimes have other causes than a cold. Nasosal Spray can also be used for the comfort & relief of hay fever, dry nasal mucosa & to aid respiratory problems. Ingredients The ingredients are saline solution (0.9%), sodium chloride, potassium chloride, calcium chloride, water. Directions Babies & infants: Spray once or twice in each nostril before feeding or nursing. Children: Spray two or three times into each nostril. Continue using Nasosal after congestion has cleared, to help prevent future colds.