Cocofloss Cocoshine Whitening Toothpaste is a deeply restorative toothpaste experience that helps to whiten and brighten your smile. Cocofloss Cocoshine Whitening Toothpaste is a deeply restorative toothpaste experience that helps to whiten and brighten your smile. Two sisters — an artist and a dentist — founded playful dental brand Cocofloss to brighten smiles with a delightful twist. The brand’s innovative toothbrushes work to detect and eliminate plaque with beaming blue, microfiber bristles, while its vibrant and tropical-flavored floss and toothpaste transform oral health and reimagine dental care beyond the standard mint flavor.