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

https://speedy-wiki.win/index.php/Thread_Lift_Results_Last_12_to_18_Months_%E2%80%93_What_Happens_After%3F

Ultherapy uses focused ultrasound to target the 4.5 mm SMAS layer, helping to lift and tighten deeper tissues with results peaking around 3 to 6 months. Compared to RF, which heats skin to 40-45°C for surface collagen boost, Ultherapy works deeper