Betadine Cold Defence Nasal Spray is a natural, steroid-free and drug-free nasal spray that helps prevent colds in their early stages. It contains Carragelose and eliminates 99% of cold-causing viruses, providing a protective barrier in the nasal passages. The product comes in a 20mL bottle and is manufactured by Mundipharma. It is specifically formulated to be steroid-free and drug-free, making it a natural solution for cold prevention. The active ingredient Carragelose helps create a protective barrier in the nasal passages. The spray format allows for easy application directly into the nasal cavity where cold viruses typically first enter and multiply.