Ultherapy targets the 4.5 mm SMAS layer using focused ultrasound, lifting and...

https://wiki-quicky.win/index.php/What_Does_%22Operator-Dependent%22_Mean_for_Ultherapy_Results%3F

Ultherapy targets the 4.5 mm SMAS layer using focused ultrasound, lifting and tightening over 3 to 6 months as collagen builds. RF heats skin to 40–45°C for surface tightening and quicker results but less depth