Ultherapy in Singapore targets the SMAS layer at 4.5 mm depth using ultrasound,...

https://highstylife.com/thermage-vs-10therma-are-they-both-monopolar-rf/

Ultherapy in Singapore targets the SMAS layer at 4.5 mm depth using ultrasound, reaching deeper than RF treatments that heat skin to around 40-45°C. Standard HIFU tends to focus on shallower layers, while thread lifts lift instantly but can feel invasive