Ultherapy in Singapore uses focused ultrasound to target the 4.5 mm SMAS layer,...

https://beckettsexcellentjournal.cloudhinter.com/posts/why-does-my-jawline-look-softer-even-if-my-skin-texture-is-fine

Ultherapy in Singapore uses focused ultrasound to target the 4.5 mm SMAS layer, promoting gradual lift over 3 to 6 months. Unlike standard HIFU, which targets more superficial layers, Ultherapy reaches deeper for a more noticeable effect