Purified Water, Sodium Chloride, Sodium Bicarbonate. Extra Strength (Hypertonic) Saline Contains A Higher Level Of Salt To Draw Water Out Of Swollen Nasal Tissues, Allowing For Better Drainage. It Is Possible That Hypertonic Saline May Cause Temporary Burning Or Stinging. If This Is Bothersome, Consider Using An Isotonic Spray Such As Simply Saline Daily Care. Warnings: The Use Of This Dispenser By More Than One Person May Spread Infection. Keep Out Of Reach Of Children. Contents Under Pressure. Do Not Puncture Or Incinerate. Store Between 59 Degrees And 86 Degrees F (15 Degrees And 30 Degrees C). Avoid Spraying In Eyes.