Sterile physiological spray solution that contributes to the cleansing of the nasal mucous membranes in a natural way. Formulated with diluted and isotonic seawater, it helps to remove impurities and mucus from the nose and ears. In addition, it helps to maintain hydration and improve breathing, while facilitating the relief of congestion. It is a source of salts and minerals that promote tissue nutrition. Includes a practical cannula for easy use.