Sinomarin Adults is a natural nasal decongestant spray containing hypertonic sea water solution (2.3% NaCl). This 125ml spray helps relieve nasal congestion, thins mucus, and cleanses nasal passages effectively using 100% natural ingredients without any medication or preservatives. This nasal spray is suitable for adults and children over 6 years old. It can be used for treating nasal congestion from colds, allergies, sinusitis and other causes of rhinitis. The spray features a one-way valve system to prevent contamination and provides continuous flow for efficient cleansing. It can be used alone or in combination with other medications. Safe for use during pregnancy and by those with heart conditions or high blood pressure. For best results, use 1-3 sprays per nostril, 2-3 times daily or as directed by your physician.