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

https://wiki-mixer.win/index.php/What_Treatment_Works_for_Brow_Descent_Without_Looking_Overdone%3F

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