Ultherapy uses focused ultrasound targeting the 4.5 mm SMAS layer to lift and...
https://atavi.com/share/y0umcwz19rfby
Ultherapy uses focused ultrasound targeting the 4.5 mm SMAS layer to lift and tighten deep tissues, with results peaking around 3 to 6 months. RF heats skin to 40-45°C to stimulate collagen closer to the surface, ideal for mild tightening