Sterimar Hypertonic Blocked Nose Copper Manganese Sea Water Microdiffusion Colds - Rhinitis Sterimar hypertonic has been specifically designed to clear congestion:Recommended Use: * Its hypertonic sea water solution helps to drain fluids from the nasal mucosa, safely clearing the nose because of its immediate decongestant action - a natural osmotic effect. * It contains mineral salts and marine trace elements reinforced with Copper and Manganese, known for their anti-infectious and anti-allergic properties and for their important role in cell metabolism. Sterimar hypertonic* is a solution of filtered sea water, 100% natural and free from preservatives. Rich in minderal salts and marine trace elements with additional Copper and Manganese, Sterimar hypertonic helps to prevent infectious and allergic reactions. * Hypertonic solution: a solution with a higher salt concentration than within the body cells. Sterimar Hypertonic is recommended for adults as a medical device: * Providing natural relfief from nasal congestion (common colds, rhinopharyngitis and allergic rhinitis) * Limiting the risk of superinfection from the nasal cavity pharyngitis, sinusitis and otitis * Cleansing to enhance the action of medicated treatments.