Every one wishes for a slimmer and tighter skin as you get older and yet, not every one is willing to go through under the knife to achieve that V-shaped face. That is why non-surgical face lifts were invented, and some of the words you will usually hear connected to it are HIFU and Ultherapy. So what makes the two different from another? Though both uses ultrasound technology that creates heat and eventually leads to collagen remodeling, there is one thing that separates the