Sterimar Blocked Nose is a 100ml natural sea water nasal spray enriched with copper, designed to quickly unblock the nose during colds and sinusitis. This hypertonic solution uses microdiffusion technology to deliver 100% natural sea water for effective nasal decongestion. This product is suitable for both children and adults. The hypertonic sea water formula helps prevent flu infections while providing relief from nasal congestion. The microdiffusion spray system ensures gentle and effective application. Being 100% natural, it can be used regularly without risk of dependency. The copper enrichment provides additional therapeutic benefits for nasal health.