Colloidal silver is a time-tested and natural way to boost your immune system and help from getting sick all the time. People use colloidal silver for many purposes. Please take the time to do a little research on the benefits of colloidal silver, and the tens of thousands of testimonies of people who have used the products. Aside from taking the product orally, Dose of Nature Colloidal silver can also be used on: Spray on cuts, bites, etc. Spray on burns. Spray on toothbrush, bath sponges, dish sponges, etc. Kitchen counters and cutting boards. Spray on veggies and fruit to keep them fresh longer. Gargling colloidal silver. Safe for use on Adults, Children, and Pets.