Freenex Isotonic Isotonic Sea Water Nose Spray is a seawater-based medical device that is indicated as a decoding agent for the daily nasal hygiene of infants, children and adults. Freenex Isotonic nasal spray based on isotonic sea water has a 100% natural formula: it is rich in trace elements and is recommended for sinusitis and allergic rhinitis as it helps to remove pollen, dust and allergens. 100% natural product. Recommended for infants over 2 months, children and adults. Freenex Isotonic Isotonic Sea Water Nasal Spray: Efficacy and Daily Hygiene: Removes excess mucus and helps to rehydrate the mucous membrane and facilitates breathing, even with rhonchopathy or nasal septum curvature. Useful for dryness and scab, especially dry air in heated and air-conditioned rooms. Free from preservatives. SPRAY ONHE GAS. It contains no preservatives or flavourings to minimise the risk of allergic reactions.