This is a product you absolutely can't live without. It's so easy to use and clean. Just place cleaner on the back of your tongue and pull forward gently scraping your tongue. After every pull, rinse the scraper with water,repeat the procedure until you feel clean. Than rinse your mouth with water or mouthwash. Whole procedure will take only 2 min. from start to finish. So little to invest for such a huge benefit.