The smart way to get the most out of your floss is to buy more for less with flosscare. It does everything you would want a floss to do kills bacteria, prevents cavities, freshens breath and removes stains and gives you the best value for your money. , , How to use - Take 45cm floss and wind around your middle fingers. Gently slide floss between teeth and just below the gum line. Curve floss around the tooth and slide floss in an up and down motion to remove plaque and food particles.