High Intensity Focused Ultrasound (HIFU) is a non-surgical face lifting treatment to counter skin laxity. HIFU delivers ultrasound energy deep into the skin and muscle layer to encourage collagen stimulation for an effective natural lifting effect. HIFU is the most common alternative for surgical facelifts as it allows high-frequency beams https://www.youtube.com/watch?v=Qx5vhS6FUJ0