Ultherapy FAQ — Common Questions Answered

How long does Ultherapy actually last?

For most patients, the visible improvement from one session lasts twelve to eighteen months. Published retrospective data found 67% of subjects showed blinded-reviewer improvement and 77.7% physician-rated improvement at 180 days after a single MFU-V session, with no association between outcome and age or Fitzpatrick skin type. Patients with good baseline skin quality, consistent sun protection, and no major weight fluctuations sometimes see results closer to two years. Ultherapy is not permanent; the underlying ageing process continues, and many patients plan a maintenance session every twelve to twenty-four months.^[1]

Source: Fabi SG, Goldman MP. (2014).

Is the treatment painful?

Honestly — yes, it is uncomfortable, particularly at the deeper 4.5 mm depth over bony zones like the jawline. Most clinics use a combination of topical anesthetic cream, oral analgesia, and sometimes a short course of an anxiolytic to manage this. Pain tolerance varies more than most people expect; in a Singapore Asia-Pacific case series of 30 patients receiving an updated Ultherapy Prime protocol, mean pain score was 4.50 out of 10 with treatment described as well tolerated. The consultation will discuss the anesthesia plan that fits you. The discomfort is intra-session and resolves quickly once the device is off the skin.^[3]

Source: Lim J, Siew TW, Xu Y. (2025).

How many sessions will I need?

For most patients, one well-mapped session is enough to produce the result MFU-V is capable of delivering. A second session, if planned, is typically scheduled twelve to eighteen months later as maintenance, not as a continuation of the first treatment. Patients who want a stronger initial change are sometimes better served by a combination plan (for example, MFU-V plus a thread lift or RF microneedling) rather than repeated MFU-V sessions in quick succession.

When will I see the result?

A small day-of effect, mild tightening from the immediate thermal contraction, is visible to some patients. The real result builds slowly as new collagen forms. Most people notice subtle change at four to six weeks and the peak result at eight to twelve weeks. Photographs in consistent lighting are the most reliable way to track it.

Can Ultherapy be combined with thread lifts or filler?

Yes, and combinations are common. Thread lifts can be performed before MFU-V or some weeks after, depending on the plan. Dermal filler placed recently changes the focal-path planning for MFU-V, so the order matters; the dermatologist will sequence treatments based on what you have had and what you want next. Patients who want broader dermal collagen stimulation alongside MFU-V's deeper SMAS work sometimes layer in other energy-based modalities — that decision is made in person at consultation.

Are there side effects I should know about?

Common, transient effects include redness, mild swelling for one to three days, and occasional bruising at the jawline. In a 52-patient open-label trial in Fitzpatrick III–VI skin, three reported adverse events (raised mild edema in two patients, moderately severe prolonged erythema with mild scabbing in one) all resolved by day 90 without sequelae. Rare adverse events with experienced operators include temporary numbness in a specific facial zone, transient weakness in a facial muscle, and small areas of skin sensitivity that resolve over weeks. The visualization layer in MFU-V, the ability to see tissue before firing each line, reduces but does not eliminate the small risk of injury to deeper structures.^[2]

Source: Harris MO, Sundaram HA. (2015).

Is Ultherapy safe for darker Asian skin?

Yes. The focused ultrasound energy used by MFU-V is delivered below the surface and does not target melanin, so the device is safe across the Fitzpatrick scale including the III–V phototypes common in Korean and broader Asian patients — supported both by direct safety data in Fitzpatrick III–VI skin and by Korean and Asia-Pacific clinical case series. Post-inflammatory hyperpigmentation, the main pigment-related concern with surface-targeting laser treatments, is not a meaningful risk with MFU-V in skilled hands.^[2,4,3]

Source: Harris MO, Sundaram HA. (2015); Park JY, Hong W, Lee KC, et al. (2025); Lim J, Siew TW, Xu Y. (2025).

How does this compare with surgical lifting?

It does not, and a clinician who tells you it does is overselling. MFU-V is a non-surgical tightening and modest-lift treatment for patients with mild to moderate laxity. A surgical lift addresses skin redundancy and deeper tissue repositioning at a level no non-surgical device can match. The right framing is that MFU-V is one tool in the lifting category: well-suited for the right candidate, but not a replacement for surgery when surgery is what the patient actually needs.

I am travelling to Seoul. What is the logistics timeline?

For most international patients we recommend planning three to five days in Seoul around the treatment. Day one for consultation and treatment; day two for rest; the remaining days for any post-treatment check the dermatologist requests, plus contingency for the rare patient with day-three swelling. Korean dermatology practice has developed detailed Asian-specific MFU-V protocols. A recent consensus from seven Korean dermatology clinics, for instance, describes line counts and depth sequencing tailored to Asian male facial anatomy, so what you receive is informed by local clinical experience rather than a generic protocol. Sending photographs and a medication list ahead of time lets the clinic confirm candidacy before you book the flight; this is the single most useful pre-trip step.^[4]

Source: Park JY, Hong W, Lee KC, et al. (2025).

How is MFU-V used on the neck and décolletage in Korean practice?

The neck and décolletage are common treatment zones in Korean clinics, often combined with low-fluence Q-switched Nd:YAG laser to address both laxity and pigmentation. A Kangbuk Samsung Hospital clinical study reported improvements in both neck sagging and chest wrinkle scores with 84% patient satisfaction at week 16 using HIFU plus low-fluence laser. The same logic applies to MFU-V: combining modalities lets the clinician address rhytides and pigmentation in the same plan.^[5]

Source: Nam JH, Choi YJ, Lim JY, Min JH, Kim WS. (2016).

What if I am on a medication or have a medical condition?

Disclose everything at consultation, including non-prescription supplements. Anticoagulants, recent or planned cosmetic surgery, autoimmune skin conditions, prior fillers (especially permanent fillers), keloid history, pregnancy or breastfeeding, and active facial infections all change the plan or postpone it. The clinic will not proceed if MFU-V is unsafe; that decision is firmer than a marketing-driven schedule.

Do you take international payment?

Yes. Korean dermatology clinics handle international patients regularly. Payment in KRW by card is standard; cash is accepted. Some patients prefer to pay a deposit in advance; the clinic will advise based on your booking. VAT refund for short-term foreign visitors may apply depending on current regulations; ask the front desk before payment.

How do I book?

Bookings are handled on the parent clinic site, not on this satellite information site. Use the reservation page to request a slot and to send photographs for the pre-consultation candidacy review.