概覽
- Approach
- Microwave energy (Coolwaves)
- Treatment time
- 30–60 min
- Downtime
- Little to a few days
- Typical plan
- Often a series
- Results appear
- Gradually, over weeks
- Results may last
- Varies by person
- No needles or incisions
- Board-certified specialists
- Korean dermatologists & plastic surgeons
- Built-in skin cooling
- Clear treatment plans
- Know what’s included before you book
- Fat and firmness, separately
- English support
- Interpretation arranged when needed
- Temporary redness or swelling
Is it fat, or loose skin?
ONDA, in four sentences
ONDA is a body- and face-contouring device that uses 2.45 GHz microwave energy, branded as Coolwaves.
It is often used for small areas of fat, such as under the chin, and for skin firmness.
Changes are gradual and may take several weeks, sometimes over a series of sessions.
Results are not guaranteed for everyone. Whether fullness comes from fat or loose skin changes the plan, so start with an assessment.
Fullness under the chin or a softer jawline can come from small fat pockets, loose skin, or both.
These look similar but need different approaches. Skincare cannot reduce fat or tighten skin from within.
Not every contour concern is the same. Fat, laxity, and bone structure each call for a different plan.
Fullness under the chin
If small fat pockets are the main cause, ONDA may be worth discussing. Discuss ONDA
Skin that feels less firm
ONDA can also be used on loose skin, but other lifting devices may suit some faces better. Compare lifting options
Significant sagging
Deeper lifting or surgical options may fit better. Your clinician can explain the differences. Consider other options
These changes can overlap. A specialist’s assessment helps match what you see with the right options.
Understand your skin better
Start with a free online AI skin analysis to explore your skin type and put your concerns into words. Bring what you learn to a consultation for a more focused conversation about your goals.
Free AI skin analysisFat, laxity, and structure are different concerns. Start with an assessment.
Is under-chin fullness your focus?
The aim is a cleaner-looking lower face — gradually, without needles.
Concerns worth discussing
Fullness under the chin A softer, less defined jawline Mild loss of skin firmness A preference for non-surgical care
Tell your clinician about
Your medical history, medications, and previous procedures Pregnancy, pacemakers or metal implants in the area, or active skin infection
Why people choose it
No needles or incisions Skin cooling during treatment Separate handpieces for fat and skin Usually little downtime
Good to know
A series of sessions may be suggested Heat-related burns or numbness can occur
The right plan depends on whether fat or loose skin is the main cause, and on your goals.
Microwave, radiofrequency, or ultrasound?
Start with what you want to change — small fat pockets, firmness, or deeper laxity. Each device works differently.
Where does skincare fit? Skincare supports skin quality, but it cannot reduce fat or tighten skin from within. Sun protection helps keep results looking their best.
| Option | Often considered for | Approach | Recovery |
|---|---|---|---|
| ONDA | Under-chin fat and skin firmness | 2.45 GHz microwave energy with skin cooling | Redness or swelling; usually short |
| InMode (Mini FX) | Small fat pockets and contour | Radiofrequency with pulses | Possible swelling for a few days |
| Ultherapy | Deeper lifting of brow, jaw, and neck | Focused ultrasound to deep layers | Usually minimal |
| Thermage | Overall firmness and mild laxity | Monopolar radiofrequency | Usually minimal |
Microwaves for contour, cooling for comfort.
ONDA delivers microwave energy at 2.45 GHz. One handpiece reaches deeper, targeting fat; another works more superficially, supporting skin firmness. A cooling system protects the skin surface during treatment.
Changes develop over weeks. Clinical studies report possible improvement in under-chin fat, but results vary and are not guaranteed.
ONDA vs. RF devices: what’s the difference?
Microwave, not radiofrequency
ONDA’s Coolwaves technology differs from the radiofrequency used by devices such as InMode.
Different handpieces
The choice of handpiece depends on the target: fat, skin, or both.
Anatomy matters
Safe treatment depends on careful mapping of the area, especially around nerves.
The best treatment is the one that matches your concern.
A cleaner profile, realistically.
The aim is a more defined lower face. How much changes depends on your skin, the amount of fat, and how you respond.
Less fullness under the chin
01 / Under-chin Small fat pockets may look reduced over weeks.
A cleaner-looking jawline
02 / Jawline The jawline may look more defined as fullness decreases.
Firmer-feeling skin
03 / Firmness Skin may feel firmer when the superficial handpiece is used.
Expect gradual refinement, not a surgical result. Significant sagging may need other options.
Warm today, gradual over weeks.
Right after
Redness, warmth, and mild swelling are common and usually settle within hours to a few days.
After a few weeks
Contour changes may begin to show. A follow-up session is often scheduled around this time.
Longer term
Results can last when weight stays stable. Maintenance may be suggested.
See your contours in 3D.
At equipped partner clinics, 3D AI skin analysis records detailed images and measurements. Your specialist combines these with an in-person assessment. This is separate from the free online skin analysis.
Standardized 3D capture
Repeat imaging under similar angles, lighting, and distance for useful comparisons.
AI skin measurements
Detailed images and measurements of your current skin condition.
A baseline for your follow-up
Compare your skin at your next visit under similar imaging conditions.
Start with a free AI skin analysisYour visit & trip
An ONDA visit, start to finish
Allow time for the full appointment as well as the treatment itself. Share your travel dates and any other procedures you are planning.
Consultation & planning
Before treatment Review your skin, goals, and medical history. At clinics offering 3D analysis, review your baseline together. Agree on the plan and quote before proceeding.
Treatment
30–60 minutes No needles are used. You may feel deep warmth while the surface is cooled. Tell your clinician if anything feels too hot.
Aftercare & next steps
Same day Get recovery guidance, symptoms to watch for, and any recommended review timing. Keep your treatment records and the clinic’s contact details.
What it feels like
Your clinician marks the areas to treat
The right handpiece is chosen for fat or skin
Warmth beneath a cooled surface
Speak up if you experience significant discomfort
Allow time for your full visit
| Stage | Timing | Includes |
|---|---|---|
| Assessment | Before treatment | Goals, anatomy, and medical history |
| Treatment | 30–60 min | Time varies by area and plan |
| Aftercare | Before you leave | Recovery guidance and review timing |
Easy to fit into a trip. Swelling can last a few days — plan photos and events accordingly.
Little downtime, careful with heat.
Redness, warmth, swelling, and tenderness are common and usually settle within hours to a few days.
Burns, blisters, nodules, or temporary changes in sensation are possible with heat-based devices. Handpiece choice and knowledge of the area’s anatomy matter. Discuss these risks before treatment.
Leave with clear aftercare guidance
Protect your skin
Use gentle skincare and sunscreen, and avoid saunas and intense heat for a day or two.
Know what to watch for
Ask which symptoms are expected and when to contact the clinic.
Keep a contact plan
Take your treatment records and the clinic’s contact details with you.
What should I share before treatment?
Share your medical history, medications, implants, and previous cosmetic procedures with your clinic. Their medical team will check whether the treatment suits you.
Your plan
Same device, careful mapping.
You can compare devices and still be unsure which fits your profile. That is where a personalized assessment helps: separating fat, laxity, and structure before choosing a plan.
The same device does not mean the same treatment. Handpiece, energy, and the number of sessions vary between clinicians, and your anatomy shapes the plan.
Board-certified specialists in Korea
Lulu@ helps you connect with experienced, Korean board-certified dermatologists and plastic surgeons. Discuss what may be contributing to the changes you notice, compare options, and understand the result each approach could offer.
3D AI skin analysis for personalized planning
At equipped partner clinics, a 3D AI skin analysis device records detailed images and measurements of your current skin condition. Your specialist combines this with an in-person assessment and your goals to develop a personalized plan.
Support to understand your options
Explore clinics with English-language support through Lulu@. Interpretation support can also be arranged when needed, helping you explain your concerns and ask questions with greater confidence.
What matters when choosing a clinic?
Look beyond the device name or the number of sessions. Ask who assesses your face, who performs the treatment, and how heat and nerves are protected.
Understand the proposed areas, realistic change, comfort measures, risks, full cost, and follow-up before deciding.
What to know before getting aesthetic treatments in KoreaWhat to ask before you book ONDA.
A few direct questions during consultation tell you a lot about the kind of care you are choosing.
What to check before choosing a clinic
Which handpiece will be used, and why?
Can you confirm the device is a genuine ONDA?
How many sessions and which areas are included?
Do they tailor the treatment to your face?
Do they explain side effects and recovery up front?
Is follow-up consultation available after treatment?
A consultation should leave you with clear answers.
What is contributing to the change? Which options fit your goals? What improvement is realistic? A personalized plan brings those answers together with the treatment area, approach, risks, and cost.
Book a consultationChoose a clinic on Lulu@, then select Book Consultation on its page.
Still curious about ONDA?
Is ONDA the same as InMode?
No. ONDA uses microwave energy (Coolwaves); InMode devices use radiofrequency. Both may be used for contour, but they work differently.
Does ONDA hurt?
Most people feel deep warmth while the skin surface is cooled. Tell your clinician if it feels too hot.
How many sessions will I need?
Some people need a series a few weeks apart. Your clinician will suggest a plan based on your skin and goals.
Will it work for my double chin?
It depends on the cause. ONDA may help when small fat pockets are the main factor; loose skin or structure may need other approaches.
Check what’s behind your contour first.
You do not need to arrive with a treatment decision. Start by understanding your concerns, or talk with a specialist about the changes you would like to see.
Understand your skin better
Use the free online AI skin analysis to explore your skin type and organize what you want to discuss. Free AI skin analysis
Make your next step personal
Discuss your concerns, suitable options, and realistic results with a Korean board-certified specialist. Book a consultation Choose a clinic on Lulu@, then select Book Consultation on its page.
Keep exploring
More guides to help you plan treatment in Korea.
Contour
InMode in Korea Forma and Mini FX for the jawline and firmness.
Lifting
Ultherapy in Korea Focused ultrasound for brow, under-chin, and neck lifting.
Patient guide
Getting aesthetic treatments in Korea What international patients should know beyond the price.
繼續探索
Written by the Lulu@ editorial team Content preview · Medical review pending General education, not an individual diagnosis or treatment recommendation. A qualified clinician should assess suitability. ONDA® and Coolwaves® are trademarks of DEKA.