HIFU is a short term for High intensity focused ultrasound. This is a cosmetic treatment for skin tightening and helps reduce fat. But the good thing is that this device is non-invasive and painless. This device uses ultrasound energy to encourage the production of collagen, which results in firmer skin.
HIFU has been used by many clinics and spa for aesthetic purposes since 2008 and has been very popular over the years since is a non-surgical alternative to surgical facelifts.
HIFU has many aesthetics benefits such as:
Source: https://www.healthline.com/health/hifu-for-face#cost
HIFU is considered safe, effective, and non-invasive procedure for tightening facial skin. There are no incisions, no scarring, and no required rest or recovery time. HIFU is far less expensive than facelift. Most people see results three months after their final treatment.
Before and After: