Non surgical procedure done with an new FDA approved machine which tightens and lifts the skin and melts the body fat. Is Better than a Facelift? Exilis is a device that was introduced to dermatologists several years ago, and is hyped by the manufacturer as a viable alternative to cosmetic surgery. The creator of the device, BTL Aesthetics, created this device to use radiofrequency waves to heat up specific layers of the skin in order to melt away fat and tighten skin. Many d