Abstract:
A thin, flexible film which when applied to stained teeth is hydrated by saliva and is effective in such form to whiten teeth, the film comprising an anhydrous water hydratable ethylene oxide polymer matrix containing a solid peroxide whitening agent whereby upon application to stained tooth surfaces, the peroxide whitening agent is solublilized by saliva present in the oral cavity into active whitening activity when the film is positioned and placed on the teeth.
Abstract:
A two component effervescent dentifrice composition, having a first alkali metal bicarbonate containing component which also contains a naturally occurring alkyl vanillyamide such as capsaicin and a second acid-containing dentifrice component; the first and second components being separated prior to use, whereupon when combined upon application to the teeth the dentifrice provides an enhanced sensory signal.