
Dr. Yoongon Ryu
Flagship clinic · KOL for leading lifting & regenerative devices

Micro-focused ultrasound tightens crepey skin on the abdomen, arms, and knees at depths up to 4.5 mm.
Body Ultherapy uses micro-focused ultrasound with visualization to tighten loose, crepey skin on the abdomen, upper arms, inner thighs, and above the knees. It heats the deep tissue layers to stimulate collagen, firming sagging skin gradually over several months with no surgery, no incisions, and minimal downtime.
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Body Ultherapy applies the same micro-focused ultrasound with visualization (MFU-V) technology used on the face to areas of the body where skin has become loose or crepey. Common targets include the abdomen, upper arms, inner thighs, above the knees, and the area below the buttocks, where laxity often follows weight change, pregnancy, or natural ageing.
Rather than removing fat, Body Ultherapy focuses ultrasound energy into the deeper skin and connective-tissue layers to create controlled thermal points. These prompt the body to build new collagen, so the treated skin firms and tightens over the months that follow. It is a non-invasive option for skin laxity, not a weight-loss or fat-reduction procedure.
At Reberry Clinic, the clinic’s doctors assess each body area and tailor depth and line count to the thickness and looseness of the skin, with English-language consultation. International patients are seen across three Seoul-area locations (Gangnam, Myeongdong, Incheon Airport), making the treatment easy to fit into a trip to Korea.

Body Ultherapy uses micro-focused ultrasound with visualization. Because body skin is generally thicker than facial skin, the operator uses the DEEPSEE imaging window to confirm tissue depth before delivering energy, then selects deeper transducers, often 4.5 and 3.0 mm, to reach the supportive layers. Focused ultrasound creates thermal coagulation points at roughly 65 to 70 degrees Celsius beneath the surface, leaving the outer skin intact. The controlled heating contracts existing collagen immediately and triggers fresh collagen production over the following months. Larger body zones such as the abdomen typically need more lines of energy than the face, which is why planning is done by area.
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DEEPSEE visualization confirms skin thickness so the doctor selects depths up to 4.5 mm for each body area.
Ultrasound creates thermal coagulation points at about 65 to 70 degrees Celsius in the deep layers, sparing the surface.
The controlled heat tightens existing collagen on the day, giving a subtle early firming effect.
New collagen forms over 2 to 3 months, with continued improvement up to around 6 months.
Larger zones such as the abdomen need more lines than the face, so 1 session is planned by area and laxity.

See representative outcomes from Reberry Clinic. Results build gradually and vary by individual; your plan is assessed at consultation.


The clinic’s doctors assess skin laxity by area and plan depth and line count, explained in English.
Treatment takes about 30 to 90 minutes depending on the size and number of body areas chosen.
Most patients complete an area in 1 visit and return to normal activities the same day.
Firming builds over 2 to 3 months as new collagen forms, with continued improvement toward 6 months.
Effects vary by area and skin quality; sun protection, hydration, and stable weight help maintain them.



Body Ultherapy uses micro-focused ultrasound to heat the deep skin layers of body areas, triggering new collagen so loose, crepey skin firms gradually, as explained on our Ultherapy Prime page. It tightens skin rather than removing fat, with no incisions and no general anaesthesia required.
Body Ultherapy commonly treats the abdomen, upper arms, inner thighs, the area above the knees, and below the buttocks, where skin tends to loosen. Your doctor maps each area at consultation and adjusts depth and line count. Suitability depends on how thick and lax the skin is.
No, Body Ultherapy tightens loose skin rather than reducing fat or body weight. It works by stimulating collagen in the deeper skin layers. If fat reduction is your goal, a different approach is needed; our doctors can explain related body rejuvenation options at consultation.
Adults with mild to moderate skin laxity who want non-surgical firming are the best candidates, often after weight change, pregnancy, or natural ageing. Significant excess skin may need surgery instead. A consultation confirms whether the treatment suits your skin and goals for each body area.
Most patients feel deep warmth or a tingling sensation as each line of energy is delivered, lasting only seconds at a time. Because body skin is thicker, settings are adjusted for comfort, and pain relief can be used. Any discomfort is temporary and resolves once the session ends.
Downtime is minimal, and most patients resume daily activities the same day. Treated areas may show mild redness, slight swelling, or tenderness for a few hours to a couple of days. There are no dressings, so international visitors can usually continue their trip shortly after treatment.
You may notice subtle early firmness from immediate collagen contraction, but the main result builds over two to three months as new collagen forms, continuing toward six months. Body areas can respond more gradually than the face because the skin is thicker, so patience is important.
Most areas are treated in a single planned session, with the line count matched to the size and laxity of each zone. Some patients schedule maintenance later. Your doctor decides the plan at consultation; you can compare a radiofrequency option on our RF body tightening page.
Results vary by area and skin quality but often last several months to around a year, since they depend on your own collagen. Stable weight and good skincare help. Many patients maintain firmness with periodic sessions or complementary body rejuvenation care over time.
Yes, Body Ultherapy is often combined with radiofrequency or other body treatments for complementary firming and contour, sequenced by your doctor. You can read about a radiofrequency option on our RF body tightening page to understand how the approaches differ and pair.
Body Ultherapy has a well-documented safety profile when performed by trained operators, with side effects usually limited to temporary redness, swelling, or tenderness. Rarely, transient numbness or bruising occurs. The imaging window confirms tissue depth before energy is delivered, which protects surrounding structures and supports its safety record.
Expect mild redness, slight swelling, and tenderness in treated areas for a few hours to a couple of days. Bruising and brief altered sensation are less common and self-resolving. Serious complications are rare when an experienced operator uses appropriate settings. Your doctor reviews your history to minimise any risk.
Aftercare is simple: keep treated skin hydrated, protect it from the sun, and avoid intense heat such as saunas for a few days. There are no dressings or major activity restrictions for most patients. Your clinic provides written aftercare so you can follow it confidently once you travel home.
Body Ultherapy usually needs only 2 to 3 days, covering consultation, treatment, and a short review. Because downtime is minimal, you can combine it with a related option such as Sofwave if advised. Our English team coordinates timing so it fits a short trip to Korea.
Yes, flying soon after Body Ultherapy is generally fine, often the same day, because the treatment is non-invasive with minimal swelling. Stay hydrated during the flight and protect treated skin from the sun on arrival. If you had several large areas done, your doctor will advise any specific timing.
International patients can have remote check-ins in English after returning home, with progress reviewed over the months results develop. If you want complementary firming later, you can explore our body rejuvenation options. Your treatment plan and notes are kept on file for any future visit to Seoul.
| Body Ultherapy | RF Body Tightening | InMode Body | |
|---|---|---|---|
| Energy / mechanism | Micro-focused ultrasound (MFU-V), deep layers | Radiofrequency heating of the dermis | InMode RF / RF microneedling |
| Best for | Crepey, lax skin on abdomen, arms, knees | Broad surface tightening over large areas | Tightening with optional fat and contour focus |
| Pain / comfort | Brief deep warmth during each pulse | Warm heating with cooling | Warmth; microneedling versions use numbing |
| Downtime | Minimal, possible redness or tenderness | Minimal | Short, depending on the applicator |
| Results timeline | Builds over 2 to 3 months | Builds over weeks to months | Builds over weeks to months |
| Longevity | Several months to about a year, varies | Several months, varies | Several months, varies |
| Sessions | Usually 1 planned session per area | Often a short series | Often a short series |
| Cost factors | Depends on area size and line count; consult-based | Depends on area and sessions; consult-based | Depends on applicator and sessions; consult-based |
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