The hypertonic solution with a base of 100% natural sea water creates a natural osmotic effect to gently draw and drain even thick mucus, allowing you to breathe more naturally and helping to prevent secondary infection. Our patented formula, inspired by nature, provides long-lasting hydration and forms a protective, invisible film on the nasal lining, helping to strengthen the nose's barrier function and rapidly neutralize germs responsible for colds, which helps protect you from future infection.