substantivity noun2 •The state of being substantive. •The ability of a chemical or dye to stick to a target.http://chlorhexidinefacts.com/mechanism-of-action.html Protein bound chlorhexidine releases slowly leading to prolonged activity. This phenomenon is known as substantivity and allows for a longer duration of antimicrobial action against a broad spectrum of bacteria and fungi. formssubstantivities
