Arista Copper Tongue Scrapper The Bambaw Arista Tongue Scraper allows you to improve your daily oral cleaning routine. It has great benefits since it eliminates toxins and bacteria from the tongue, eliminates the white coating of the tongue that causes bad breath, improves our sense of taste and also provides good oral and digestive health. DIRECTIONS  It is recommended to use right after waking up: start at the back end of the tongue. Scrape towards the front as many times as necessary and rinse thoroughly. Sterilize before use: immerse in boiling water for about 5 minutes. Let it cool down before use. And once it is used it must be dried to avoid oxidation.