Gangnam
Dr. Yoon-Gon Ryu
Aesthetic Medicine Specialist
Flagship clinic · KOL for leading lifting & regenerative devices · Featured in Authority Magazine (2026)
Body Thermage FLX uses monopolar radiofrequency to heat the deep dermis to about 65-75°C, tightening loose skin on the abdomen, arms, and thighs in a single session.
Body Thermage in Myeongdong, Seoul is a non-surgical treatment that uses Thermage FLX monopolar radiofrequency to heat the deep dermis and fibrous septae, tightening loose skin on the abdomen, arms, and thighs. It is usually a single session, with results building over 2 to 6 months as collagen remodels; the clinic’s doctors confirm a plan at consultation.
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Body Thermage is a non-surgical skin-tightening treatment that applies Thermage FLX monopolar radiofrequency (RF) to larger body areas such as the abdomen, upper arms, and thighs. Rather than removing tissue, it heats the deep dermis and the fibrous septae beneath the skin, prompting immediate collagen contraction followed by gradual new collagen formation. The result is firmer, more toned-looking skin without surgery or a long recovery.
On the body, skin is thicker and areas are larger than on the face, so a body-specific Thermage FLX tip and a higher number of RF pulses are used to cover the zone evenly. Common goals include tightening mild crepey skin on the upper arms, softening loose abdominal skin after weight change, and firming the thighs or above the knees. Body Thermage does not remove fat; it targets skin laxity, so it is often chosen by people at a stable weight who want firmer skin texture.
At our Myeongdong (Seoul) location, body Thermage is consultation-led. Dr. Seung Jae Baek, Medical Director, and the clinic’s doctors assess your skin laxity and design a plan with realistic expectations, explained in English. Reberry Clinic is at 5, Myeongdong 10-gil, Jung-gu, roughly 5 minutes from Myeongdong Station, making it convenient for international patients visiting Seoul, Korea.
Thermage FLX uses monopolar radiofrequency, meaning current flows from a single treatment tip through the skin to a return electrode, generating controlled heat within the tissue. The tip heats the deep dermis and subcutaneous fibrous septae to roughly 65-75°C while a synchronised cooling burst protects the surface and vibration eases each pulse. This deep, volumetric heating causes existing collagen to contract immediately and, over the following weeks and months, stimulates fibroblasts to build new collagen and reorganise elastic fibres. On the body, a larger tip and more pulses are used because the surface area is bigger and the skin thicker than on the face. The FLX generation adds an AccuREP algorithm that adjusts energy pulse by pulse and a vibrating handpiece for comfort, so larger zones like the abdomen and thighs can be treated in one session. Because it relies on RF heat rather than light, body Thermage is generally suitable across a wide range of skin tones.
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A grid is applied to the target area so the doctor can deliver RF pulses evenly across the whole body zone in 1 pass pattern.
The tip heats the deep dermis to about 65-75°C per pulse, while cooling protects the surface across every one of the delivered pulses.
Heat causes immediate collagen contraction, giving a subtle early tightening that appears within the first few weeks.
Over roughly 2 to 6 months, fibroblasts form new collagen and reorganise elastic fibres for progressive firming.
A review around 3 months checks the response, and any maintenance for the body zone is planned only if worthwhile.
See representative outcomes from Reberry Clinic. Results build gradually and vary by individual; your plan is assessed at consultation.
Dr. Seung Jae Baek, Medical Director, and the clinic’s doctors assess your body skin laxity, discuss goals, and map a plan in English.
A grid is applied and the area is treated over about 45 to 90 minutes, depending on how many zones and pulses your plan involves.
Body Thermage is usually 1 session per area, and most people return to normal activity the same day.
Some early firming appears within weeks, with the main tightening building over about 2 to 6 months as collagen remodels.
Results often hold around a year or more with weight stability and sun protection, and maintenance is planned only if beneficial.
Body Thermage is a non-surgical treatment that uses Thermage FLX monopolar radiofrequency to tighten loose skin on the abdomen, arms, and thighs. It heats the deep dermis to remodel collagen over several months. You can read the full overview on our Thermage FLX page and arrange a consultation in English.
Body Thermage is commonly used on the abdomen, upper arms, inner and outer thighs, knees, and skin above the buttocks where there is mild to moderate laxity. Larger zones use a body-specific tip and more RF pulses. Our RF body skin tightening page outlines which areas suit your goals.
No, body Thermage tightens skin by remodelling collagen with radiofrequency; it is not a fat-reduction treatment. If your main goal is contouring or fat, a different approach is more appropriate. This is why it suits people at a stable weight who want firmer skin. You can explore related options on our body rejuvenation page.
Most patients feel a warm, deep pulse followed by a brief cool sensation, which is generally tolerable. Thermage FLX uses integrated cooling and vibration to ease each pulse across larger body zones. Your doctor adjusts settings to your comfort, and no injections or incisions are involved, so treatment feels manageable throughout the session.
Body Thermage is usually a single session per area, with results building gradually over months rather than requiring a long course. Some patients choose a maintenance session later as skin naturally ages. Your doctor confirms at consultation whether one session suits your laxity or whether combining with other treatments would help your goals.
Some early firming can appear within a few weeks, but the main tightening builds over about 2 to 6 months as new collagen forms in the deep dermis. Body skin is thicker, so it responds gradually. Your doctor sets realistic expectations at consultation so you know when to assess your result properly.
Results often hold for around a year or more when weight stays stable and skin is protected from sun, though natural ageing continues over time. Body Thermage is not a one-time permanent fix, so some people repeat it periodically. Longevity depends on your baseline laxity, the area, and lifestyle, which your doctor discusses beforehand.
Downtime is minimal, with most people returning to normal activity the same day. Brief redness, mild swelling, or tenderness in the treated area can occur but usually settle within hours to a few days. Avoid intense heat and sun immediately after. Your doctor gives simple aftercare so you can plan around treatment easily.
Yes, body Thermage is often combined with other body contouring or tightening approaches depending on your goals, since it targets skin laxity rather than fat. Combining is planned so treatments complement each other. You can explore related options on our RF body skin tightening page and discuss a plan at consultation.
Body Thermage is generally suitable across a wide range of skin tones because it uses radiofrequency heat rather than light, so it does not target melanin the way some lasers do. This lowers the pigment-related risk seen with certain light-based devices. Your doctor still reviews your skin at consultation to set safe, effective parameters.
Body Thermage uses monopolar radiofrequency to heat the deep dermis broadly, while Ultherapy uses micro-focused ultrasound aimed at deeper layers like the SMAS, more often on the face and neck. They suit different depths and goals. Your doctor helps you choose based on the area and the kind of laxity you want to address.
Adults with mild to moderate skin laxity on the abdomen, arms, or thighs, at a stable weight, are often suitable for body Thermage. It is less suited to significant sagging that may need surgery. A consultation assesses your skin and confirms whether Thermage fits your goals, the area involved, and realistic expectations before any plan is made.
Temporary redness, mild swelling, or tenderness can occur but usually settle within hours to a few days. Serious effects are uncommon when treatment is performed with proper technique and settings. Your doctor reviews your medical history at consultation, including any implants or devices, to keep body Thermage appropriate and safe for you.
Aftercare is simple: keep the area moisturised, use daily sunscreen, avoid intense heat for a day or two, and stay at a stable weight to protect results. A supportive skin care routine helps maintain firmness. Your doctor gives tailored guidance so your results are supported between any future sessions.
For body Thermage, 1 to 2 days in Seoul is usually comfortable, allowing a consultation, the single session, and a short review with minimal downtime. Because results build over months, follow-up can be done remotely from abroad. Our English-speaking team at Myeongdong helps coordinate timing around your travel schedule.
Yes, flying within a day of body Thermage is generally fine because it is non-invasive with minimal downtime beyond brief redness or swelling. Cabin air is drying, so moisturise the treated skin and protect it from strong sun. Your doctor provides simple aftercare guidance to follow comfortably while you travel home.
Body Thermage is performed at our Myeongdong (Seoul) location at 5, Myeongdong 10-gil, Jung-gu, about 5 minutes from Myeongdong Station, with English-speaking support. Dr. Seung Jae Baek, Medical Director, and the clinic’s doctors plan your treatment there. You can start on our Thermage FLX page to arrange a consultation.
Three non-surgical tightening options with different energy types and typical treatment depths, suited to different goals.
| Body Thermage FLX | Ultherapy (HIFU) | Sofwave | |
|---|---|---|---|
| Energy / mechanism | Monopolar radiofrequency heating the deep dermis and septae | Micro-focused ultrasound reaching the SMAS layer | Synchronous ultrasound beams in the mid-dermis |
| Best for | Broad skin laxity over larger body zones like abdomen or thighs | Deeper lifting on face and neck | Mid-depth laxity, often on face and neck |
| Pain / comfort | Warm pulses with cooling and vibration; generally tolerable | Focused pulses that can feel sharp at depth | Warm pulses, usually well tolerated |
| Downtime | Minimal; brief redness or swelling possible | Minimal; some tenderness possible | Minimal; short-lived redness possible |
| Results timeline | Builds over 2 to 6 months as collagen remodels | Builds over 2 to 3 months | Builds over 6 to 12 weeks |
| Longevity | Often around a year or more with weight stability | Often around a year or more | Often around a year |
| Sessions | Usually 1 session per body area | Usually 1 session | Usually 1 session |
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