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

https://romeo-wiki.win/index.php/Is_Ultherapy_Backed_by_Real_Studies_or_Mostly_Marketing%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