Colloidal Silver is a natural anti-microbial. It is effective against viruses, bacteria and fungi. It boosts the immune system and is helpful during colds, flu and virus seasons and lung problems. It naturally heals cuts, sores, burns, stings and cuts as well as sunburn quickly and effectively. Useful as first aid for adults, children and pets, and can be used for sore throats, sore eyes and for skin problems. Also available in a gel with healing herbs and oils and a handy spray bottle.