Onda Liftingin Seoul

Onda works on soft fullness: the fat that rounds a jawline, gathers under the chin or sits in a pocket on the body, together with mild looseness in the skin over it. Microwave heat is aimed at that layer, so the change it is designed for is a gradual reduction in fullness with some firming of the skin above.

Skin that hangs in deep folds is a different problem. An energy device acts on tissue it can heat, and it cannot reposition skin that has stretched far beyond its frame, so Onda is a poor match on its own for heavy sagging. The second list also covers temporary reasons to postpone, such as broken skin or a recent sunburn on the area.

Onda is a microwave platform made by DEKA. Its handpiece sends microwave energy at 2.45 GHz, the frequency reported for the system in a published study (Bonan, 2023), into the layer of fat under the skin while a cooling system protects the surface. Fat cells heated past what they can tolerate are cleared by the body over the following weeks, and heat that reaches the connective tissue above is aimed at tightening the skin. Both effects build slowly, so the clinic plans Onda as a course.

The energy is counted in kilojoules (kJ), the total delivered in one session. The face plans come in 50 kJ and 80 kJ, so the second delivers more energy across the treated area. Settings are matched to how thick the fat is and how loose the skin is in each zone.

Onda body: the 12 mm tip and the 100 kJ plan

For the body, the same device uses a 12 mm body tip and a 100 kJ session. The deeper tip is meant for the thicker fat layer found on the trunk and limbs. Which body area that energy covers is agreed when your plan is drawn up, so list the areas you have in mind when you ask for a quote.

What the research on Onda shows

Published evidence is early and small. In a 19-person study without a control group, three Onda sessions reduced waist measurement without severe pain or discomfort (Bonan, 2023). A 47-person study of microwave treatment under the chin, in which the device is not named, reported less fat and less laxity after six sessions, again without a control group (Salsi, 2022). An international advisory board on Onda Coolwaves set out parameters and patient selection, and stated that long-term efficacy and safety have not yet been evaluated (Hoffmann, 2024).

Visitors compare Onda with Ultherapy PRIME, and the difference between them lies in the physics. Microwave energy spreads through the fat layer, while micro-focused ultrasound places small heat points at fixed depths down to the muscle layer.

Onda is priced by the total energy delivered in a session. The face comes in two sizes, 50 kJ and 80 kJ, and the body plan is 100 kJ using the 12 mm body tip. Each card shows a single-session price without the 10% VAT, with the amount including VAT printed beside it.

Because the clinic plans Onda as a course of 3 to 5 sessions, multiply the session price by the course length to see the full budget for your trip schedule. If you want both face and body, ask for them as separate lines in one quote so the two energy plans are easy to compare.

Heating fat through the skin has these known risks:

• Redness, warmth and tenderness in the treated area for hours to days.
• Swelling, or firm and tender spots in the fat layer; ones that persist need a check.
• Burns or blisters if heat builds up in the skin.
• Temporary numbness or altered feeling in the treated skin.
• An uneven contour, or a change that is modest and slow to show, since fat is cleared gradually.

The evidence base sets a limit as well. A review of non-invasive body contouring devices found little high-level evidence behind them (Nassab, 2015), and the Onda studies above are small and uncontrolled, so a reduction cannot be promised for any one person.

Contact the clinic promptly if a blister forms, pain grows over the following days, or a hard lump does not soften.