Ultherapy uses focused ultrasound targeting the 4.5 mm SMAS layer deep under...

https://gregorywads092.lowescouponn.com/can-rf-tighten-skin-but-not-lift-what-does-that-mean

Ultherapy uses focused ultrasound targeting the 4.5 mm SMAS layer deep under the skin, promoting gradual lifting and tightening with results peaking around 3 to 6 months