Colloidal silver is a controversial alternative medicine. Advocates claim it may be used to treat a variety of acute and chronic conditions, but there’s no scientific evidence to support these claims.

Overview: Colloidal silver is sometimes applied to the skin to treat or prevent minor skin infections, although it may not work as well as topical antibiotics. Taking colloidal silver by mouth does ...

“Colloid” means that something is dissolved in another substance. Colloidal silver is made up of tiny particles of silver in water. It’s the same kind of silver used in jewelry and silverware. The ...