Ultherapy uses focused ultrasound targeting the 4.5 mm SMAS layer, stimulating...
https://post-wiki.win/index.php/How_Many_Ultherapy_Treatments_Have_Been_Done_Worldwide%3F
Ultherapy uses focused ultrasound targeting the 4.5 mm SMAS layer, stimulating collagen deep under the skin for a natural lift