Uses: Alleviates and cleans sinus and nasal passages. Washes away pollutants, irritants and other airborne contaminates. Helps soothe and moisturize nasal passages due to low humidity, pollutants, overuse of nasal decongestants and other nasal irritants. Remove mucus build-up by gently blowing the nose or using a bulb syringe before using Xlear. Children Four and Up: Insert nozzle into nostril and squeeze bottle to spray solution. Spray two to four times in each nostril. Remove nozzle before allowing bottle to re-inflate. Infants and Toddlers Three and Under: Lie child on his or her back. Tilt bottle upside down, allowing the solution to drop into the nostrils. Place two to four drops in each nostril.