Ultherapy uses focused ultrasound to target the 4.5 mm SMAS layer, promoting...

https://www.alphabookmarks.win/ultherapy-targets-the-deep-4-5-mm-smas-layer-using-ultrasound-to-lift-and

Ultherapy uses focused ultrasound to target the 4.5 mm SMAS layer, promoting collagen deep under the skin with minimal downtime. Results build gradually, peaking around 3 to 6 months