HIFU is one of the few non-surgical treatments with a clear, mechanistically plausible explanation for how it achieves lifting: focused ultrasound penetrates to the SMAS layer — the same fibromuscular layer surgeons tighten in a facelift — and creates controlled thermal damage points that trigger collagen contraction and remodelling. The result is mild-to-moderate lifting of the midface, brow, and jawline without incisions.
What it cannot do: replace surgical lifting for patients with significant laxity, tighten loose neck skin with the same efficacy as a platysmaplasty, or produce results that persist longer than 12–18 months without retreatment.
HIFU devices available in Korean clinics
| Device | Origin | Transducer depths | Positioning | Typical price (full face) |
|---|---|---|---|---|
| Ultherapy | USA (Merz Aesthetics) | 1.5mm, 3mm, 4.5mm (optional 6mm) | Gold standard; most clinical evidence | ₩800,000–₩1,500,000 |
| Doublo (Hironic) | Korea | 1.5mm, 3mm, 4.5mm | Most popular Korean HIFU; comparable results; lower price | ₩400,000–₩900,000 |
| Ultraformer III (Classys) | Korea | 1.5mm, 3mm, 4.5mm, 9mm (body) | Strong clinical data; widely used for face and body | ₩400,000–₩900,000 |
| Dermashine (Wontech) | Korea | 3mm, 4.5mm | Entry-level HIFU; good for maintenance protocols | ₩200,000–₩500,000 |
| Shurink (Lutronic) | Korea | 1.5mm, 3mm, 4.5mm | Newer; faster delivery; less discomfort reported | ₩500,000–₩1,000,000 |
Pricing by zone
| Zone | KRW (range) | USD (approx) | AUD (approx) | Typical shot count |
|---|---|---|---|---|
| Full face | ₩400,000–₩1,500,000 | $290–$1,087 | $440–$1,648 | 600–900 shots |
| Lower face + jawline | ₩300,000–₩800,000 | $217–$580 | $330–$879 | 300–500 shots |
| Neck | ₩200,000–₩600,000 | $145–$435 | $220–$659 | 200–400 shots |
| Full face + neck | ₩700,000–₩2,000,000 | $507–$1,449 | $769–$2,198 | 800–1,200 shots |
| Brow / forehead | ₩150,000–₩400,000 | $109–$290 | $165–$440 | 150–250 shots |
| Under-chin / jowls | ₩200,000–₩500,000 | $145–$362 | $220–$549 | 200–350 shots |
Shot count: the number the clinic needs to disclose
Shot count is the most important variable in HIFU — more important than brand. A full-face Ultherapy treatment with 300 shots will underperform a Doublo treatment with 800 shots. Korean clinics that operate transparently will tell you exactly how many shots are included. Be suspicious of packages that advertise “full face HIFU” without specifying the count.
The industry norm for a meaningful full-face treatment:
- Economy protocol: 300–400 shots (mild effect; suitable for mild laxity or maintenance)
- Standard protocol: 600–700 shots (recommended first-treatment dose)
- Intensive protocol: 800–1,000+ shots (appropriate for moderate laxity; may cause more discomfort and downtime)
Realistic outcomes and timeline
HIFU results are not immediate. The thermal coagulation points trigger a wound-healing response that builds collagen over 2–3 months. Most patients see:
- Mild initial tightening in the first few weeks (from collagen contraction)
- Peak improvement at 3–6 months
- Results lasting 12–18 months before retreatment
Patients with mild-to-moderate laxity and good skin quality see the best outcomes. Patients with significant skin looseness, very thin skin, or heavy facial fat deposits see more variable results and may be better candidates for surgical consultation.
Downtime and what is normal
Compared to surgical options, HIFU recovery is minimal:
- Mild redness and tenderness for 2–4 hours post-treatment
- Occasional mild swelling for 24–48 hours
- Rare: bruising, temporary numbness, or small surface bumps (rare, resolve in days)
Flying the same day or next day after HIFU is fine — there are no altitude or pressure restrictions.
How is HIFU different from Thermage?
HIFU uses focused ultrasound to reach the SMAS layer (the same layer surgeons tighten in a facelift) and create precise thermal coagulation points. Thermage uses radiofrequency energy that heats the full dermis more uniformly. HIFU lifts primarily via SMAS stimulation; Thermage tightens and smooths via uniform collagen heating. For true facial lifting, HIFU has a slight edge. For overall skin texture and tightening across a wider surface, Thermage has advantages. Many Korean clinics combine both.
How many HIFU shots do I need?
Shot count depends on the area and protocol. A full face Ultherapy treatment is typically 600–900 shots; some clinics offer 'mini' protocols of 300 shots at lower price, with proportionally reduced effect. Korean clinics tend to be more forthcoming about shot counts than Western ones — ask specifically, and compare what's included.
Does HIFU hurt?
HIFU is one of the more uncomfortable non-surgical treatments. The focused energy creates brief, intense heat pulses at each shot, felt as a sharp, deep warmth — some patients describe it as a brief electric sting. Korean clinics typically administer topical anaesthetic cream 30–60 minutes before treatment. Some offer oral pain relief. Discomfort is higher in bony areas (chin, orbital bone) and lower in cheeks.