Leaving the water running while brushing your teeth can waste 12 liters of water a minute. Most people turn the water on to moisten the brush after first applying the toothpaste and leave it running until finished. My idea is to eliminate the initial step so that the water only needs to be turned on to rinse the sink after spitting, thereby saving approximately 30-40 liters of water per person per day.
The handle of the brush incorporates a rubberized bladder that is filled with mouthwash. You gently squeeze the handle forcing the mouthwash onto the head wetting it–no water needed! And the mouthwash leaves your breath minty fresh 