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. The product is suitable for both children and adults. It contains hypertonic sea water enriched with copper, which 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 100ml bottle size provides an ample supply for extended use.