Other non-invasive and minimally invasive treatments such as Lasers and Radiofrequency Skin Tightening are limited to treating the dermis (depth < 3 mm). Ultherapy® delivers localized heating at precise depths of 1.5, 3.0, and up to 4.5 mm - with no effect on surrounding tissues or the skin's surface - targeting both the dermis and the foundational tissues where skin laxity (or looseness) begins.