Our physiological seawater nasal spray contains physiological saline. It can immediately penetrate the nasal cavity, wash away bacteria and pathogens, unblock the nose, and clean the nasal environment. It is simple to use: open the protective cover of the spray dust cap, tilt your head back slightly, and gently press the nozzle; Wipe off nasal secretions with a tissue, wipe the nozzle with a tissue, and cover with a dust cap. It can comprehensively clean the nasal cavity, relieve symptoms such as nasal congestion, and alleviate nasal discomfort.