Sterimar Blocked Nose is a 100% natural hypertonic sea water nasal spray enriched with copper. It is specifically formulated to quickly unblock the nose during colds and sinusitis while helping prevent flu infections. The microdiffusion technology ensures effective delivery of the solution. This hypertonic solution is suitable for both children and adults. The sea water microdiffusion system provides a gentle yet effective way to clear nasal congestion naturally. The addition of copper enhances the product's therapeutic properties. The spray format makes it convenient and easy to use for nasal hygiene and congestion relief.