Ultherapy targets the deeper 4.5 mm SMAS layer using ultrasound, offering a...

https://www.cast-bookmarks.win/ultherapy-uses-focused-ultrasound-targeting-the-4-5-mm-smas-layer-to-lift-and

Ultherapy targets the deeper 4.5 mm SMAS layer using ultrasound, offering a focused lift with results peaking around 3 to 6 months. RF heats skin to about 40-45°C, improving texture and mild tightening