Stop a cold early and get relief from its unpleasant symptoms with this First Action Nasal Spray by Lemsip. It contains Carragelose and kappa-carrageenan which are clinically proven to help shorten the duration of cold and flu-like symptoms by up to two days. It forms a shielding layer on the surface of the nasal mucosa. Use this spray at first signs to trap cold viruses, restrict them from multiplying further and infect healthy cells. Size: 20ml. Usage: At first signs of cold or flu-like symptoms spray once into each nostril while holding the other nostril closed several times a day to help stop the development of symptoms into a full blown cold. Continue until the symptoms have stopped.