Ayr - helps you breathe better. Active Ingredients: A Hypertonic Solution of: Deionized Water; Sodium Chloride (2.65%); Potassium Phosphate/Sodium Hydroxide Buffer (To Prevent Nasal Irritation); Disodium EDTA; Benzalkonium Chloride Uses: Helps dry nasal congestion, helps reduce nasal swelling. Useful as a wash to flush allergens and dust from nasal passages. Doctor recommended.