The key to better breath? A clean tongue. Use once a day to eliminate harmful bacteria, food particles, and plaque that cause over 85% of bad breath and live on the tongue. Ripple edge tongue cleaner is part of a thorough oral health care regimen. The cleaner dissolves bacteria that cause gum line cavities and is ergonomically designed for easy use and cleaning. Features Eliminates odor-causing bacteria Sweeps away plaque and food particles Ergonomically designed for comfort, easy use + cleaning 3-pack How to use Hold both ends of the tongue cleaner ripple side down. Bend into an inverted "U" shape. Gently sweep tongue cleaner from back to front of the tongue. Rinse tongue cleaner after each use.