What Is Supersmile Professional Whitening Floss: Invented by Dr. Irwin Smigel, celebrated "Father of Aesthetic Dentistry," Supersmile Professional Whitening Floss with CALPROX® and baking soda removes unsightly stains between teeth, as well as plaque and bacteria from beneath the gum line, which if left untreated, can contribute to gum disease and other oral health concerns. Features/Benefits: Supersmile Professional Whitening Floss is impregnated with CALPROX®, Supersmile's proprietary form of calcium-peroxide, to help whiten hard-to-reach areas between teeth, while baking soda helps freshen breath and maintain healthy gums. Why it's different: Supersmile Whitening Floss is the ONLY floss that provides clinically proven whitening benefits. Additionally, the Whitening Floss uses an UNWAXED nylon thread to reduce chances of splitting between tight teeth, while ensuring even the tiniest spots of plaque are reached. Sometimes, wax-coated floss can glide over these spots, leaving pieces behind. Key Ingredients: CALPROX - a proprietary, encapsulated form of encapsulated calcium peroxide that dissolves the protein pellicle to which stains stick. Sodium bicarbonate (baking soda) helps freshen breath and promotes healthy gums. 100% Kosher. 45 yards/ 135'