Colloidal Silver is anti-bacterial, anti-viral, anti-fungal and a powerful antimicrobial catalyst. Use internally and externally. Rivers of health has been producing high stability colloidal silver 100 ml for many years at its manufacturing facility in Dorset. They use the latest electro current controlled technology and a 9 stage water purification process. The final product has a silver content of 10ppm, but more importantly, the very small particle size means that it can be more effective than some other products with a higher silver content. Electron microscope pictures show great uniformity of particle size, shape and dispersion. This also ensures the high stability of Rivers of Health Colloidal Silver without the need for dark storage. Colloidal Silver is anti-bacterial, anti-viral, anti-fungal and a powerful antimicrobial catalyst. Whilst users will find this product highly effective, high resistance to disease depends on good nutrition, proper hydration, emotional health, regular relaxation, exercise, hygiene and a balanced lifestyle. Rivers of Health Colloidal Silver can be used directly onto the skin, including damaged skin, and/or taken internally. It can also be put into the nose and throat. Dropper application into eyes and ears. Other uses include gargle and mouthwash. It is also suitable for plants and animals.