Twice a day we carry out the same old minty ritual—several up-and-down strokes, rinse and spit. If the experience is a bore, most of us shrug it off as the price for shiny whites. But now, a new crop ...
Twice a day we carry out the same old minty ritual—several up-and-down strokes, rinse and spit. If the experience is a bore, most of us shrug it off as the price for shiny whites. But now, a new crop ...