HIFU Treatment The Quick Fix Non-surgical Face and Neck Lift With Visible and Long-Lasting Results HIFU (High-Intensity Focused Ultrasound) is a non-invasive skin treatment for the face that uses focused ultrasound energy to stimulate collagen production, resulting in improved skin tone and tightening effects. Doctor Administered Medical-Grade HIFU Only 2 sessions needed If your time is gold, then perhaps the Doublo Gold HIFU is the remedy you need. Known as a lunchtime treatment, the Doublo Gold will deliver a natural yet noticeable difference to sagging skin or help you target that pesky double-chin, leaving you with ample time to grab a bite before your break time is over.