DUAL COMPONENT BIS-BIGUANIDE CONTAINING DENTIFRICE OF IMPROVED STABILITY

摘要

A dual component chlorhexidine dentifrice composition of improved shelf stability in which the first component is a gel containing a bis-biguanide antibacterial agent in which the gel vehicle is thickened with a cellulose polymer and the second component is a paste containing a silica abrasive wherein the bis-biguanide antibacterial agent provides undiminished antiplaque and antigingivitis effect with reduced staining when the physically separated components are combined and mixed upon application to dental tissue.