In traditional brush shaving, the process is simulated through direct chemical action. (shaving101.com)
The developers have created an engineered silver nano particle that uses catalytic action not chemical action to kill pathogens in the body. (best-natural-health-supplements.com)
According to American BioTech Labs, «Most ionic and colloidal silver products work by chemical action, and thus can be problematic to the human system. (best-natural-health-supplements.com)