Ultherapy targets the deep 4.5 mm SMAS layer with ultrasound to lift and...

https://www.hometalk.com/member/254051008/alice1337254

Ultherapy targets the deep 4.5 mm SMAS layer with ultrasound to lift and tighten over 3 to 6 months. RF heats skin to 40-45°C for collagen boost but works more superficially