... Ultrasonic Face and Body Massager trims, tones, firms and tightens skin on face, arms, tummy...anywhere! This device has everything we ... intensity level - this can form free-radicals and damage skin. Instead, the Slim Ultrasonic automatically changes the frequency as ... that works from within to produce younger, healthier looking skin anywhere on the body.Ultrasound utilizes sonic vibrations - 1 to 3 ...