howstuffworks: Why can colloidal silver turn your skin blue? When used topically, silver has antibacterial properties that can be medically useful. A coating of silver nanoparticles on a wound dressing, for example, creates a barrier that germs can’t
howstuffworks: Why can colloidal silver turn your skin blue? When used topically, silver has antibacterial properties that can be medically useful. A coating of silver nanoparticles on a wound dressing, for example, creates a barrier that germs can’t