Arm & Hammer Simply Saline Nasal Mist delivers instant congestion relief any time, day or night. Featuring an effective and drug-free formula. The triple strength formula relieves severe congestion & dries runny noses related to allergies, colds, flu, and sinusitis. Before first use, expel a short stream of mist. Insert tip of nozzle into one nostril and press down on the textured area at the base of the nozzle so that a gentle mist coats nasal passages. Blow your nose very gently to clear the mucus out. Repeat for the other nostril. To flush & irrigate, tilt head to the side over sink. Insert tip of nozzle into the top nostril depressing on textured area at base of nozzle so that a gentle mist fills sinus passages and flows out nostrils. Repeat in other nostril.