Marimer Spray Isotonic is a nasal hygiene solution containing 100ml of isotonic seawater. This gentle spray helps cleanse and moisturize nasal passages while maintaining proper nasal function through natural sea minerals. The isotonic formula means it has the same salt concentration as body fluids, making it gentle and suitable for daily nasal hygiene. The spray format allows for easy and convenient application. As this is a personal hygiene product, please consult the package insert or your healthcare provider for specific usage instructions.