Ultherapy uses focused ultrasound targeting the 4.5 mm SMAS layer to lift and...

https://cristiansinterestingthoughtss.opalvector.com/posts/what-treatment-is-best-for-neck-bands-and-laxity-in-singapore

Ultherapy uses focused ultrasound targeting the 4.5 mm SMAS layer to lift and tighten deep tissue, with results peaking around 3 to 6 months. Compared to RF, which heats skin to 40-45°C for collagen boost, Ultherapy reaches deeper