Ultherapy targets the deeper 4.5 mm SMAS layer using focused ultrasound, making...

https://www.cool-bookmarks.win/ultherapy-targets-the-deeper-4-5-mm-smas-layer-with-focused-ultrasound-energy

Ultherapy targets the deeper 4.5 mm SMAS layer using focused ultrasound, making it ideal for lifting and tightening with natural results developing over 3 to 6 months. RF heats skin to 40-45°C for surface tightening but doesn’t reach the SMAS