lyse nasal drops for infants and newborns. lyse drops are used to moisturize the nose of infants and remove congestion. They contain sodium chloride, sodium bicarbonate, benzalkonium chloride, and pure water. These ingredients, in turn, help eliminate sinus problems, get rid of nasal secretions, thin the mucus that causes nasal congestion, and moisturize and clean the membranes caused by colds and dampness.