Gangnam
Dr. Yoon-Gon Ryu
Aesthetic Medicine Specialist
Flagship clinic · KOL for leading lifting & regenerative devices · Featured in Authority Magazine (2026)
Onda uses Coolwaves microwave energy to heat the deep dermis and target localized fat, with studies reporting abdominal circumference reductions around 3 to 4 cm over a course.
Onda lifting in Gangnam, Seoul uses Coolwaves microwave energy to heat deep tissue, tightening skin and reducing localized fat without surgery. Delivered over a short course of sessions, it suits mild laxity and stubborn fat pockets on the face and body. Downtime is minimal, and the clinic’s doctors confirm your suitability and plan in person at consultation.
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Onda lifting is a non-surgical skin-tightening and body-contouring treatment that uses Coolwaves, a patented microwave energy technology. Unlike radiofrequency or ultrasound, Coolwaves microwaves are absorbed selectively by water-rich tissue, allowing them to heat the deeper dermis and target localized subcutaneous fat while a cooling system protects the skin surface. This makes Onda useful both for firming lax skin and for reducing stubborn fat pockets that resist diet and exercise.
At our Gangnam (Seoul) location, the clinic’s doctors use Onda on areas such as the abdomen, flanks, inner thighs, arms, and the lower face and jawline. The controlled deep heating stimulates collagen remodelling over the weeks that follow, so results build gradually rather than appearing overnight. Because Coolwaves also disrupts fat cells in treated pockets, many patients notice both a tighter contour and a modest circumference reduction.
Onda is a comfortable, low-downtime option for people who want gradual firming and contouring without surgery or long recovery. Reberry Clinic supports international patients in English, with our Gangnam (Seoul) location about 2 minutes from Gangnam Station exit 10. Dr. Yoongon Ryu and the clinic’s doctors assess your skin laxity and fat distribution in person before recommending a personalised course.
Onda’s core technology is Coolwaves, a specific band of microwave energy tuned so that it is preferentially absorbed by water-rich tissue and fat. When the handpiece delivers Coolwaves into the skin, the energy penetrates to the deep dermis and the subcutaneous fat layer, generating controlled heat exactly where laxity and localized fat sit, while an integrated cooling mechanism keeps the epidermis protected and comfortable. In the dermis, this heat denatures and contracts existing collagen and triggers a wound-healing response that lays down new collagen and elastin over roughly 8 to 12 weeks, which is what firms and tightens the skin gradually. In the fat layer, the microwave heating disrupts adipocyte membranes in the treated pocket, and the body clears the affected fat cells through natural metabolic processes over the following weeks. Because microwaves differ from radiofrequency and focused ultrasound in how they are absorbed and how deep they reach, Onda can address skin firmness and localized fat in the same session. The doctor sets handpiece, energy level, and the number of passes for each area, since the abdomen, thighs, arms, and lower face each respond differently.
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A doctor evaluates your skin laxity and localized fat, then maps the areas to treat in a consultation that usually takes about 15 minutes.
The treatment area is marked and a gel is applied so the handpiece glides smoothly during the 20 to 45 minute session, depending on the zone.
The handpiece delivers Coolwaves microwaves into the deep dermis and fat across several passes, while surface cooling keeps the skin comfortable throughout.
Controlled heat contracts existing collagen and disrupts fat cells in the pocket, setting off remodelling that continues for about 8 to 12 weeks.
Over 8 to 12 weeks, new collagen firms the skin and the body clears affected fat, so contour and tightness improve across a short course.
See representative outcomes from Reberry Clinic. Results build gradually and vary by individual; your plan is assessed at consultation.
The clinic’s doctors assess your skin laxity and localized fat and explain how many of the typical 4 to 6 sessions you may need, in English.
Each session takes about 20 to 45 minutes depending on the area, with surface cooling keeping the deep microwave heating comfortable.
Onda is delivered as a short course, with sessions often spaced a few weeks apart so the tissue responds progressively between visits.
Firming and contour changes build over roughly 8 to 12 weeks as new collagen forms and the body clears affected fat cells.
Results can last many months, and a stable weight, healthy lifestyle, and occasional maintenance sessions help sustain the improvement.
Onda lifting is a non-surgical treatment that uses Coolwaves microwave energy to heat the deep dermis and localized fat while cooling protects the skin surface. This tightens lax skin through collagen remodelling and reduces stubborn fat pockets in the same session. Results build gradually over weeks. You can read more on our Onda lifting page.
Yes, Onda lifting is performed at our Gangnam (Seoul) location, about 2 minutes from Gangnam Station exit 10, with English support for international patients. The clinic’s doctors, including Dr. Yoongon Ryu, assess your skin laxity and fat distribution in person and plan a personalised course before any treatment begins.
Coolwaves uses microwave energy that is absorbed selectively by water-rich tissue and fat, letting it heat the deep dermis and subcutaneous fat together. Radiofrequency mainly tightens skin, while focused ultrasound reaches the deeper SMAS for lifting. Onda’s ability to address both firmness and localized fat is what distinguishes it, though the right choice depends on your goals.
Yes, Onda targets both. The Coolwaves heating disrupts fat cells in the treated pocket, which the body then clears over weeks, while also stimulating collagen to firm the skin. Clinical series report abdominal circumference reductions around 3 to 4 cm over a course. It is a contouring treatment, however, not a substitute for weight loss.
Most people have a short course of around 4 to 6 sessions, often spaced a few weeks apart, though the exact number depends on your skin laxity, fat volume, and goals. Your doctor confirms the plan at consultation. Results continue to build for weeks after the final session as collagen remodels and fat clears.
Onda is generally comfortable because an integrated surface-cooling system protects the skin while the microwave energy heats deeper tissue. Most people feel a warm, massaging sensation rather than sharp pain during the 20 to 45 minute session. Any warmth or mild redness afterwards typically settles quickly, which is part of why downtime is minimal.
Downtime is minimal, so most people return to normal activities right after a session. The treated area may look slightly red or feel warm for a short while, and occasionally there is mild tenderness. Because there is no surgery or needles, Onda suits people wanting firming and contouring without a recovery period.
Onda’s results are gradual, building over roughly 8 to 12 weeks as new collagen forms and the body clears affected fat cells. You may notice early tightening within a few weeks, with fuller results after completing the course. Because the process is biological, the improvement appears progressively rather than immediately after a single session.
Results can last many months once the course is complete, though they are not fixed forever, since natural ageing and weight changes continue. Maintaining a stable weight and healthy lifestyle helps preserve the contour and firmness. Occasional maintenance sessions, planned with your doctor, can extend the improvement over time.
Yes, Onda is often combined with complementary treatments for a fuller result, such as lifting or skin-quality procedures on other areas. Your doctor sequences everything so tissues are not overloaded. For deeper lifting you might discuss Ultherapy Prime alongside Onda’s firming and contouring.
Onda uses Coolwaves microwaves that address both mild laxity and localized fat, while Thermage uses monopolar radiofrequency focused on overall skin tightening without fat reduction. If your concern is firmness plus a stubborn fat pocket, Onda may suit; for general crepiness, Thermage FLX may fit. Your doctor advises after assessing your skin.
Onda suits adults with mild skin laxity or stubborn localized fat who want non-surgical, low-downtime contouring, and can be paired with Thermage FLX for broader firming. It is not a weight-loss treatment, so it works best for pockets. A consultation rules out contraindications like pregnancy or metal implants.
Onda is generally suitable across skin types because the microwave energy targets deeper tissue while surface cooling protects the epidermis, reducing surface pigment risk. Your doctor still tailors settings to your skin, and a supportive skin care routine aids recovery. A proper assessment ensures the treatment is appropriate for you.
Cost depends on which areas you treat, their size, and how many sessions your course needs, so it is confirmed at consultation rather than a single fixed figure. Treating larger or multiple areas costs more overall. The clinic’s doctors explain your individual, transparent cost in English before starting the course.
A single session is quick with no real downtime, so 1 to 2 days is enough for a consultation and treatment. Because a full course involves several sessions, many international patients begin in Seoul and continue on return visits. Our English-speaking team helps schedule sessions around your travel plans.
Yes, flying within a day or so is generally fine after Onda, since it is non-invasive with minimal downtime. The treated area may feel warm or look slightly red briefly, which settles on its own. Staying hydrated and following your doctor’s simple aftercare supports the gradual results while you travel.
International patients can start an Onda course in Seoul and return for further sessions spaced a few weeks apart, with treatment notes kept on file for continuity. Between visits, a stable weight and healthy lifestyle support results. You can also continue supportive skin care at home.
| Onda Lifting | Thermage FLX | Ultherapy Prime | |
|---|---|---|---|
| Energy / mechanism | Coolwaves microwave energy, deep dermis and fat | Monopolar radiofrequency for skin tightening | Micro-focused ultrasound to the SMAS layer |
| Best for | Mild laxity plus localized fat pockets | Overall skin firmness and crepiness | Deeper lifting of face and neck |
| Targets fat | Yes, reduces localized fat in the pocket | Primarily skin tightening, not fat reduction | Primarily lifting, not fat reduction |
| Pain / comfort | Comfortable with surface cooling | Warm with brief heat pulses | Can feel deep prickling at points |
| Downtime | Minimal, brief redness or warmth | Minimal, brief redness | Minimal, occasional tenderness |
| Results timeline | Builds over 8 to 12 weeks | Builds over 2 to 6 months | Builds over 2 to 3 months |
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