If you're overdue for a fresh toothbrush (which, if you're like most Americans, you are), you may find yourself puzzling over what to do with the brush that's been sitting on your bathroom sink for the past several months. It is recyclable, but if you recycle it with the rest of your plastics it will ultimately be sorted out and sent to a landfill. To make sure most of the materials in your toothbrush get reused, Lifehacker reports that you need to send it to a special recycling center. The Colgate Oral Care Recycling Program, a collaboration between Colgate and TerraCycle, accepts not just old toothbrushes but used toothpaste tubes and dental floss containers as well. These items are each made from multiple types of materials, which means they can't be processed by your town's regular recycling plant.