𝐍𝐞𝐰𝐛𝐢𝐞 𝐀𝐥𝐞𝐫𝐭 - Brushd. 100% Pure Copper Tongue Cleaner. Helps keep your tongue feeling clean and fresh by removing the bacteria and residue generated from brushing.

(Source: Science Daily) Human use of copper dating back to the Bronze Age has shaped the evolution of bacteria, leading to bugs that are highly resistant to the metal's antibacterial properties.