Cosval Propolina Spray is a combination of herbal extracts and essential oils that enhance the defense against natural causes (bacteria, viruses, temperature changes) that are prevalent in the upper respiratory tract and manifest as sore throat, pharyngitis, laryngitis, cough. Echinacea and Peppermint support the functionality of the upper airways. Eucalyptus performs emollient and soothing to the functionality of the oropharyngeal mucosa and tone of voice. Chamomile enhances the functionality of the mucous membranes of the respiratory system.