No, Exilis is not the same as Thermage, although they are similar. Exilis Ultra uses both radiofrequency and ultrasound energy to diffusely heat the skin. Thermage uses focuses radiofrequency to heat specific areas within the skin. Generally, Exilis is used on the body, whereas Thermage works better for face. But, in general, they both use heat energy to stimulate the body to build new collagen, tightening and firming the skin in the area treated.