Dr. Tung's Stainless Steel Tongue Cleaner is a best-selling tongue cleaner that brings the ancient practice of tongue scraping to modern oral care. Introduced to the United States over 30 years ago by Dr. Tung's, tongue cleaning has been shown to be the most effective way to remove bad breath bacteria. Modern research indicates that using a tongue scraper is five times more effective than using a toothbrush to clean the tongue, ensuring a cleaner mouth and fresher breath.