- 100% food grade stainless steel tongue scrapers are an essential part of your zero waste oral hygiene routine. Tongue scraping is a centuries-old tradition that’s scientifically proven to reduce bacteria in your mouth that cause bad breath + poor oral health. These are built to last a lifetime, plus stainless steel is much more sustainable for the planet than copper or plastic tongue scrapers. Ethically made by our partner manufacturer in India, shipped from our shop in South Dakota. Unpackaged!