Ultherapy targets the deeper 4.5 mm SMAS layer with ultrasound energy, lifting...
https://gregorywads092.lowescouponn.com/can-rf-tighten-skin-but-not-lift-what-does-that-mean
Ultherapy targets the deeper 4.5 mm SMAS layer with ultrasound energy, lifting and tightening over 3 to 6 months. In comparison, RF heats skin to around 40 to 45°C for collagen boost but stays more superficial