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

https://knoxbfmd479.fotosdefrases.com/does-ultherapy-help-with-skin-texture-or-only-lifting

Ultherapy uses focused ultrasound to target the 4.5 mm SMAS layer, lifting skin from deep within. It’s slower but natural-looking, with results peaking around 3 to 6 months