The Wonder Care Copper Tongue Cleaner is made of pure and Alloy Free Elements.Tongue scraping is the simple practice of scraping your tongue before brushing your teeth. Brushing, flossing, and even mouth wash are often not enough to remove harmful bacteria or build-up on the tongue. With a few simple scrapes, you can revitalize your tongue, teeth, and mouth, and protect the internal organs directly linked to tongue health.It not only kills bacteria in the mouth but also allow the healthy bacteria to get flourish. It is more effective in removal of mucous, bacteria and debris from the tongue than any tooth brush can.It also helps to prevent bad breath.