Eco-Dent - Premium Gentle Floss with Essential Oils - 100 Yard(s) (91.44m) Eco-Dent Premium Gentle Floss with Essential Oils is the only floss with 100% vegetable waxes and no beeswax. This lighter and smoother wax helps the floss glide more easily between tight teeth contacts. The floss itself is made of nylon not silk which involves chemical sterilization.