Copper Tongue Cleaner - 12 Per Pack ZERO Waste, Pure Stainless Steel, Plastic Free The simplest and most effective way to clean your tongue and freshen breath. Copper has been clinically proven to be anti-bacterial by nature. It not only kills off the "bad" bacteria of the mouth, but it instinctively allow the healthy "good" bacteria to flourish. According to Ayurveda a copper tongue scraper is best for Kapha dosha due to its heating properties, but may be beneficial for all body-types due to its powerful anti-microbial properties. HOW TO USE: Starting from back of tongue, gently scrape any excess plaque or gunk. It's that easy!