Ultherapy uses focused ultrasound to target the 4.5 mm SMAS layer, which few...

https://www.inter-bookmarks.win/ultherapy-uses-focused-ultrasound-targeting-the-4-5mm-smas-layer-promoting

Ultherapy uses focused ultrasound to target the 4.5 mm SMAS layer, which few treatments reach, offering a natural lift that improves over 3 to 6 months. RF heats skin to 40-45°C to boost collagen but doesn’t penetrate as deep