The tongue is the gut's first line of defence, and will help you in maintaining your best health year-round. It takes less than a minute to use this morning and night, and it will help eliminate toxins from your mouth (and therefore your gut). The Ultimate Refresher Tongue Scraper is made from stainless steel with the perfect curved edge to help remove bacteria and plaque on the tongue's surface. Using a tongue scraper has the added holistic benefit of stimulating the immune system, tastebuds and other senses.