Ultherapy uses focused ultrasound targeting the 4.5 mm SMAS layer deep under...
https://rapid-wiki.win/index.php/If_I_Did_HIFU_Before_and_Saw_Nothing,_Should_I_Try_Ultherapy_Next%3F
Ultherapy uses focused ultrasound targeting the 4.5 mm SMAS layer deep under your skin, stimulating collagen over 3 to 6 months for a natural lift