Anatomically optimized triangular cleansing head reaches even the hardest to reach contours of the facial landscape, delivering results in places round brushes simply can’t go. Now with an ultrasonic performance to deliver up to a 600% improvement in cleansing versus cleanser alone! Hygienic, silver ion infused Azul silicone bristles deliver superb cleansing and exfoliating results without stressing the skin the way traditional brushes can. The ultrasonic waves pulsate at up to 24,000 vibrations per second, dislodging dirt and debris and optimizing the performance of your chosen cleanser or exfoliant. Powerful ultrasonic motor delivers optimum performance while intelligently extending battery life. Lightweight design with IPX6 water resistance makes this ideal for professional, home and on the go use. Perfect for use in the shower!