Ultherapy uses focused ultrasound targeting the 4.5 mm SMAS layer for a deeper...
https://helen-mitchell11.raindrop.page/bookmarks-74099039
Ultherapy uses focused ultrasound targeting the 4.5 mm SMAS layer for a deeper lift that unfolds over 3 to 6 months. RF heats tissues around 40 to 45°C, stimulating collagen closer to the surface with faster recovery