These brushes also tend to move at a higher frequency, to the tune of 30,000 to 40,000 movements per minute, as opposed to a lower-end brush’s 8,000 to 20,000 movements per minute. Spend around $70, about 40% more than the cost of our top pick and your brush likely comes with a travel case and a few extra cleaning modes, which vibrate the brush at different patterns or frequencies. Some people find this feature incredibly useful. Pressure sensors that buzz, beep, or light up can let someone know when to let up while brushing.
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