Gangnam
Dr. Yoongon Ryu
Aesthetic Medicine Specialist
Flagship clinic · KOL for leading lifting & regenerative devices
A non-surgical option that targets small, stubborn fat pockets such as the chin and jawline over 2 to 4 planned sessions.
A fat-dissolving injection delivers a lipolytic agent, usually deoxycholic acid, into small, stubborn fat pockets such as the double chin or jawline. It breaks down fat cells gradually over a short series of sessions. It is a contouring treatment for localised fat, not a weight-loss method, and suits people near their goal weight.
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A fat-dissolving injection, also called lipolytic injection, is a non-surgical treatment that targets small, localised pockets of fat. A solution is injected directly into the fat layer, where it disrupts fat-cell membranes so the body can gradually clear the contents. Common areas include the double chin, jawline, and other small, stubborn deposits that resist diet and exercise.
The most studied active ingredient is deoxycholic acid, a naturally occurring molecule that helps break down dietary fat and, when injected, destroys fat cells in the treated area. Some formulations also use phosphatidylcholine. Importantly, this is a contouring treatment for small areas, not a weight-loss solution, and it works best for people who are already close to their target weight.
For international patients, an English consultation confirms whether the area is suitable and how many sessions are realistic. Reberry Clinic plans and reviews these treatments across three Seoul-area locations (Gangnam, Myeongdong, Incheon Airport), with treatment overseen by the clinic’s doctors.
The active ingredient, most commonly deoxycholic acid, is a bile-acid molecule that disrupts the membrane of fat cells (adipocytes) on contact. Once the membrane is destroyed, the cell can no longer store fat, and the body clears the released contents through normal metabolic pathways over several weeks. Because the destroyed fat cells do not return, results in the treated area are considered long-lasting once the desired contour is reached. The doctor maps a precise grid of small injection points across the target area, controlling dose and depth so the agent stays within the fat layer and away from surrounding structures.
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The doctor confirms the fat is suitable for injection and plans 2 to 4 sessions spaced about 4 to 6 weeks apart.
A grid of small injection points is marked across the target area, often dozens of points per session.
The lipolytic agent is delivered into the fat layer in a session lasting about 15 to 30 minutes.
Disrupted fat cells are cleared by the body over roughly 4 to 6 weeks, with swelling settling during that time.
Visible slimming builds across the series, with most patients assessing results after 2 to 4 sessions.
See representative outcomes from Reberry Clinic. Results build gradually and vary by individual; your plan is assessed at consultation.
The clinic’s doctors confirm the area is suitable for injection and plan the number of sessions in English, usually 2 to 4.
After mapping, the injection session takes about 15 to 30 minutes, with numbing applied for comfort.
Sessions are spaced roughly 4 to 6 weeks apart so swelling settles and fat clears between visits.
Slimming builds over 4 to 6 weeks per session, with most patients assessing the result after the series.
Cleared fat cells do not return; a stable weight and healthy lifestyle help maintain the contour.
It is a non-surgical treatment that injects a lipolytic agent, usually deoxycholic acid, into small fat pockets such as a double chin. The agent breaks down fat cells, which the body clears over weeks. You can review related non-surgical body options on our slimcut injection page.
No, a fat-dissolving injection is a contouring treatment for small, localised fat, not a weight-loss method. It works best for people already near their goal weight who have stubborn pockets resisting diet and exercise. For larger areas or overall weight, your doctor will discuss more appropriate options at consultation.
The most common area is the submental fat under the chin (double chin), along with the jawline and other small pockets. Suitability depends on fat thickness and skin quality, confirmed during assessment. You can explore non-surgical body contouring choices on our slimcut injection page before your visit.
Most patients feel brief stinging and warmth as the solution is injected, eased with numbing measures. Afterwards the area can feel tender or swollen for a few days. Discomfort is temporary and manageable, and your provider can adjust the technique and pace for comfort during the session.
Expect swelling, tenderness, and sometimes bruising in the treated area for several days, which is part of the normal response. Most people continue daily activities but may prefer to schedule around social events. Swelling under the chin can be noticeable initially, then settles over the following one to two weeks.
Visible slimming builds over 4 to 6 weeks after each session as the body clears the destroyed fat cells. Most patients assess their final result after completing 2 to 4 sessions. In a phase III trial, two-thirds of treated patients showed measurable submental fat improvement, so patience across the series matters.
Most patients need 2 to 4 sessions spaced about 4 to 6 weeks apart, depending on the amount of fat and the area. Your doctor sets the plan after assessing thickness and goals at consultation. Some smaller pockets respond in fewer sessions, while denser areas may need the full series.
The treated fat cells are destroyed and do not regenerate, so the reduction in that area is long-lasting. However, remaining fat cells can still enlarge with weight gain, so maintaining a stable weight preserves the contour. Pairing the result with skin-firming options like our RF body tightening can refine the area further.
Yes, fat-dissolving injections are often paired with skin-tightening to address both fat and mild laxity, sequenced safely by your doctor. Many patients add RF body tightening after contouring. Combining treatments helps the skin adapt smoothly as the fat reduces in the treated area.
Fat-dissolving injection with deoxycholic acid has a documented safety profile when performed by trained doctors, with side effects usually limited to temporary swelling, tenderness, and bruising. Proper mapping keeps the agent within the fat layer. Your doctor reviews your medical history and the treatment area to minimise risk before each session.
Common, expected effects include swelling, tenderness, redness, bruising, and temporary firmness or numbness in the treated area, which resolve over days to a couple of weeks. Less common effects are discussed at consultation, and broader contouring options appear on our body rejuvenation page.
Aftercare is straightforward: apply a cold compress if advised, avoid intense heat and heavy exercise for a few days, and let the swelling settle naturally. Stay hydrated to support fat clearance. Your clinic provides written aftercare so you can manage the area confidently once you travel home between sessions.
For small, localised pockets, skin usually adapts well as fat reduces gradually over weeks. If mild laxity is a concern, your doctor may recommend pairing the injections with RF body tightening to firm the area. Assessment beforehand helps predict how your skin will respond after contouring.
A single session needs only 1 to 2 days, covering consultation and the injection, though swelling follows afterwards. Because the full plan spans several sessions weeks apart, many international patients begin in Seoul and continue on later trips. Our English team coordinates timing to fit your travel schedule.
Yes, flying after a fat-dissolving injection is generally fine, as it is non-surgical, but expect swelling and tenderness during travel. Stay hydrated and avoid excess heat. If you had extensive treatment, your doctor will advise the best timing and how to manage swelling comfortably before you fly.
| Fat-Dissolving Injection | RF Body Tightening | Body Fillers | |
|---|---|---|---|
| Mechanism | Injected lipolytic agent destroys fat cells | Radiofrequency heat tightens skin and tissue | Hyaluronic acid adds volume or contour |
| Best for | Small, stubborn fat pockets | Mild laxity and skin firmness | Restoring or enhancing contour |
| Pain / comfort | Brief stinging and warmth during injection | Warming sensation, well tolerated | Mild pressure at injection points |
| Downtime | Swelling and tenderness for several days | Minimal | Minimal, brief swelling |
| Results timeline | Builds over 4 to 6 weeks per session | Gradual over weeks | Immediate, settles over days |
| Longevity | Long-lasting once cells are cleared | Months, varies | Months to over a year, varies |
| Sessions | Usually 2 to 4 | Often a short series | As needed for the area |
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