https://en.wikipedia.org/wiki/Medical_uses_of_silver#Colloidal_silver https://en.wikipedia.org/wiki/Medical_uses_of_silver#Colloid... https://en.wikipedia.org/

https://en.wikipedia.org/wiki/Medical_uses_of_silver#Colloidal_silver https://en.wikipedia.org/wiki/Medical_uses_of_silver#Colloid... https://en.wikipedia.org/wiki/Argyria https://en.wikipedia.org/wiki/Argyria There are entire groups of people that sell colloidal silver as an alternative health remedy even though it turns their skin permanently blue.