01How each device works
Ulthera (micro-focused ultrasound) deposits coagulation points at three depths — 1.5, 3.0 and 4.5 mm — including the SMAS layer that surgeons address in a facelift. Thermage (monopolar RF) heats the dermis volumetrically.
Both stimulate collagen, but the depth and pattern of energy delivery are completely different.
02Who suits which
Patients with descent (jowls, brow heaviness) benefit from Ulthera's SMAS-depth lift. Patients with skin laxity and crepiness benefit from Thermage's dermal tightening.
Most patients in their forties have both concerns and benefit from sequential treatment.
03When to combine
Sequencing matters. We typically perform Ulthera first to address the structural lift, then Thermage 6–8 weeks later for envelope tightening. Combining in a single session is possible but tolerability is reduced.
04Bangkok pricing (2026)
Ulthera SPT from ฿18,000; Ulthera Prime (advanced protocol) from ฿45,000. Thermage FLX from ฿28,000. Combined pricing offered for sequential courses.
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05Common questions
Can I do both in one session?+
Which gives faster results?+
07References & further reading
- Focused Ultrasound Stimulator System for Aesthetic Use — Class II Guidance | FDAFDA Class II guidance for focused ultrasound (Ultherapy category) aesthetic devices.
- Comparative histometric analysis of HIFU and radiofrequency on skinHIFU impacts focal deep tissue; monopolar RF impacts diffuse regions; both induce neocollagenesis.
- Microfocused Ultrasound: Pan-Asian Adaptation of Expert Panel Gold-Standard ConsensusMFU-V delivers energy at 1.5, 3.0, 4.5 mm depths; Thermage RF relies on tissue impedance.
- Radiofrequency facial rejuvenation: Evidence-based effectRF heats dermis 40–48°C causing immediate collagen contraction then new synthesis over months.
External sources · last verified 2026-04-02