Ultherapy uses ultrasound energy targeting the 4.5 mm SMAS layer to stimulate...

https://inkmeridianx.com/s/lKMu9ULoP-BzUZbuiHecI

Ultherapy uses ultrasound energy targeting the 4.5 mm SMAS layer to stimulate collagen deep under the skin, with results peaking around 3 to 6 months