Ultherapy uses focused ultrasound targeting the 4.5 mm SMAS layer, making it a...

https://mighty-wiki.win/index.php/Why_Do_Some_People_See_No_Change_After_HIFU%3F

Ultherapy uses focused ultrasound targeting the 4.5 mm SMAS layer, making it a popular non-invasive lift option in Singapore. Results build gradually, peaking around 3 to 6 months