High-Intensity Focused Ultrasound (HIFU) can stimulate and replenish collagen in the skin, improving texture and decreasing sagging.lt transfers heat energy directly to the skin and subcutaneous tissue, resulting in facelift or body lift results without using invasive surgery or injections. This treatment has no downtime,which is an additional benefit and can be applied on the face and the entire body. Unlike lasers and powerful pulse lights, it is also effective on people of all skin tones.