The power of vicks brought to you by the world's #1 selling cough and cold brand! Sinex severe moisturizing ultra fine mist spray starts working instantly to relieve the sinus and nasal congestion that often accompanies colds or allergies - so you can breathe freely fast. This effective nasal spray decongestant sinus pressure and shrinks swollen nasal membranes for fast, long lasting of nasal stuffiness and sinus pressure. Provides powerful sinus congestion with soothing aloe. Starts working instantly for up to 12 hours.