Aqua Maris® Strong is a natural decongestant providing long-term care. Congestion and inability to breath easily is a problem for both children and adults, getting in the way of daily activities. Hypertonic seawater in Aqua Maris® Strong has a soothing effect on the mucus membranes of the upper respiratory tract. Because of its salt contents, Aqua Maris® Strong purified seawater removes excess fluid from the nasal mucous membranes, thereby decreasing its swelling and making breathing easier.