hydraSense Ultra Congestion Relief for Daytime congestion works quickly to relieve symptoms from colds or sinusitis. Effectively relieves nasal and sinus congestion and reduces sinus pressure. Get effective relief from daytime congestion without medication. hydrasense Ultra Congestion saline spray for daytime congestion relief is clinically proven and made with 100% natural source hypertonic, undiluted, sterile seawater and is free of medication, chemical additives or preservatives. hydraSense Daytime Congestion saline solution is non-habit forming and may also reduce the use of medicated decongestants. It can be used by children 12 years+ and adults. The gentle mist spray is easy to use and its special Steriflo system is specially designed to dispense a clean, one-way, contamination-free flow.