Sinomarin Nose Care Mini Spray is a 100% natural, clinically tested nasal decongestant. It is a hypertensive seawater solution (2.3% NaCl) rich in all beneficial substances in the sea (minerals & trace elements). Sinomarin Nose Care Mini Spray relieves nasal congestion and pressure on blocked sinuses through the natural mechanism of osmosis. In addition, it hydrates and cleans the nasal passages.