Ultherapy targets the deeper 4.5 mm SMAS layer using ultrasound waves, lifting...
https://www.pfdbookmark.win/ultherapy-targets-the-deeper-4-5-mm-smas-layer-using-ultrasound-waves-lifting
Ultherapy targets the deeper 4.5 mm SMAS layer using ultrasound waves, lifting and tightening over 3 to 6 months, ideal for natural results. RF heats skin to about 40-45°C to boost collagen, great for mild tightening with quicker recovery