Gangnam
Dr. Yoon-Gon Ryu
Aesthetic Medicine Specialist
Flagship clinic · KOL for leading lifting & regenerative devices · Featured in Authority Magazine (2026)
Onda Coolwaves delivers microwave energy into the deeper skin to trigger collagen renewal, with firming that builds over roughly 8 to 12 weeks and little to no downtime.
Onda lifting is a non-invasive treatment that uses Coolwaves microwave energy to warm the deeper skin and fibrous tissue, tightening existing collagen and stimulating new collagen for firmer, lifted-looking skin over weeks. It suits mild to moderate laxity with little downtime. For international patients near Hongdae Station, care is provided across our Seoul locations with English support.
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Onda lifting is a non-invasive skin-tightening treatment that uses Onda Coolwaves microwave energy to firm mild to moderate laxity on the face, neck, and body. Rather than lasers or needles, it heats the deeper dermis and fibrous tissue in a controlled way, prompting collagen fibers to contract immediately and new collagen to form over the following weeks. The result is gradually firmer, tighter-looking skin without surgery.
Because Onda works with your skin’s own collagen renewal, results build progressively rather than appearing overnight. Most patients notice early tightening followed by steadier firming across roughly 8 to 12 weeks. It is popular with people who want a comfortable, low-downtime option for softening early sagging along the jawline, cheeks, or under the chin.
At Reberry Clinic, Onda is delivered by the clinic’s doctors after a personal assessment of your skin laxity and goals, with the plan and expectations explained transparently in English. For international patients near Hongdae (Hongik Univ.) Station — 홍대입구역, care is provided across our Seoul locations (Gangnam, Myeongdong), easily reached from the station.
Onda Coolwaves uses microwave energy at around 2.45 GHz that is preferentially absorbed by water-rich tissue in the dermis and subcutaneous layer. This creates controlled, localized heating that has two effects: it causes immediate contraction of existing collagen fibers for an early tightening effect, and it reactivates fibroblasts so they generate new, more elastic collagen over the weeks that follow. Because the energy targets deeper fibrous tissue, Onda can also address areas with localized fullness, not just surface laxity. Different handpieces let the doctor tune how superficially or deeply the energy is delivered, so the treatment can be adapted to the face, neck, or body. Onda differs from radiofrequency devices like Thermage FLX, which use monopolar RF, and from ultrasound devices like Ultherapy Prime, which use micro-focused ultrasound to reach the SMAS layer. The microwave mechanism is what defines Onda and is the reason results build gradually with collagen renewal rather than instantly.
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Doctors assess your laxity and map the target zones, typically planning 1 to 3 sessions based on how much firming you need.
The handpiece delivers Coolwaves microwave energy at about 2.45 GHz into the deeper skin, warming it in a controlled way.
The heat causes existing collagen fibers to contract, giving an early tightening effect that many notice within the first weeks.
Fibroblasts are stimulated to build new collagen over roughly 8 to 12 weeks, which is when firming becomes most visible.
Your doctor reviews progress and may plan maintenance about once a year as collagen naturally ages over time.
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 goals and explain what Onda can realistically achieve for you, in English.
A session usually takes about 20 to 40 minutes depending on the area, with a comfortable warming sensation throughout.
Most plans run as a short course of about 1 to 3 sessions spaced roughly 4 weeks apart for steady firming.
Early tightening may appear within weeks, with firming building most visibly over roughly 8 to 12 weeks.
Results are maintained with occasional upkeep about once a year, since collagen naturally ages, plus simple skincare and sun protection.
Onda lifting is a non-invasive treatment that uses Coolwaves microwave energy to warm the deeper skin, tightening existing collagen and stimulating new collagen for firmer skin over weeks. It suits mild to moderate laxity with little downtime. You can read more on our Onda lifting page.
Onda uses microwave energy absorbed by water-rich tissue, while Thermage FLX uses monopolar radiofrequency and Ultherapy Prime uses micro-focused ultrasound to reach the SMAS layer. Each heats collagen differently, so your doctor recommends the best match for your laxity and goals at consultation.
Patients near Hongdae (Hongik Univ.) Station are cared for at our Seoul locations in Gangnam and Myeongdong, both easily reached from 홍대입구역, with full English support. Our team helps you choose the most convenient location and explains your Onda lifting plan there.
Onda is generally comfortable, felt as a warming sensation as the handpiece moves across the skin, and most patients tolerate sessions well. Comfort is monitored throughout and settings can be adjusted. Your doctor explains exactly what to expect for your specific area before the session begins so you feel prepared.
Most plans involve about 1 to 3 sessions spaced roughly 4 weeks apart, rather than a single visit, so firming builds steadily. The exact number depends on your laxity level and how your skin responds. Your doctor reviews progress between visits and adjusts the plan to match your results.
Early tightening from collagen contraction may show within the first weeks, while fuller firming builds over roughly 8 to 12 weeks as new collagen forms. Results appear gradually rather than overnight. Your doctor tracks progress so expectations stay realistic and the plan is adjusted if needed between sessions.
Results can hold for months, but collagen naturally ages, so Onda is maintained rather than a one-time fix. Many patients plan occasional maintenance about once a year to sustain firmness. Good skincare and sun protection help support your results between treatments, which your doctor will discuss with you.
Onda has little to no downtime for most patients, with any mild redness or warmth usually settling within hours. Most people return to normal activity the same day. Avoiding strong heat and sun on treated skin for a day or two helps, and your doctor gives simple aftercare guidance to follow.
Onda can treat the lower face, jawline, cheeks, under the chin, neck, and some body areas with localized fullness, thanks to adjustable handpieces that tune the depth. Your doctor maps the zones that suit your goals during the assessment, tailoring a non-surgical lifting plan to your needs.
Yes, Onda is often paired with skin-quality boosters or other lifting steps for a fuller result. A polynucleotide booster like Rejuran healer can support skin texture alongside tightening. Your doctor sequences treatments so the skin is not over-stressed and each step complements the others in a coordinated plan.
Most adults with mild to moderate skin laxity, sometimes with localized fullness, are suitable candidates for Onda. A consultation assesses your tissue and confirms whether Onda or another approach fits your goals. Very advanced laxity may be better reviewed for alternative options first, which your doctor will explain clearly upfront.
Onda is a non-invasive, energy-based treatment that is widely performed and generally considered safe when a trained doctor matches settings to your skin. A consultation reduces risks such as temporary redness or warmth. You can review the approach on our Onda lifting page before booking your visit.
Onda’s microwave energy is used across a range of skin tones because it targets water-rich deeper tissue rather than surface pigment. Your doctor still tailors the settings and depth to your skin at consultation for both safety and comfort. This individualised approach helps the treatment suit diverse international patients seen in Seoul.
No, Onda is a non-invasive firming treatment, not a substitute for surgery, and it suits mild to moderate laxity rather than significant sagging. It softens early laxity gradually with no incisions. Your doctor will advise honestly whether Onda, another energy device, or a different plan best fits your degree of laxity.
For a single session, 1 to 2 days is comfortable, allowing a consultation, the treatment, and a short review with little downtime. Because Onda often runs as a short course, many international patients begin in Seoul and continue on return visits, with our English-speaking team coordinating timing conveniently near Hongdae Station.
Yes, flying within a day is generally fine after Onda, which is non-invasive with little to no downtime for most patients. Cabin air is drying, so moisturise and protect treated skin from strong sun. Your doctor confirms any minor aftercare before you travel so your trip stays comfortable and on schedule.
International patients can complete an Onda course across one or more visits, and the clinic offers remote check-ins in English between trips so your plan stays on track. You can continue supportive skin care at home to help maintain results, and your treatment notes are kept on file for continuity.
| Onda Coolwaves | Thermage FLX | Ultherapy Prime | |
|---|---|---|---|
| Energy / mechanism | Coolwaves microwave energy heating the dermis and fibrous tissue | Monopolar radiofrequency heating the dermis | Micro-focused ultrasound reaching the SMAS layer |
| Best for | Mild to moderate laxity, and areas with localized fullness | Overall skin tightening and firming across the face | Deeper lifting from the foundation layer |
| Pain / comfort | Generally comfortable warming sensation | Warm pulses with comfort settings | Deeper sensation at focal points, managed during treatment |
| Downtime | Little to none for most patients | Little to none for most patients | Little to none for most patients |
| Results timeline | Builds over roughly 8 to 12 weeks | Builds over 2 to 6 months | Builds over 2 to 3 months |
| Sessions | Often a short series | Often a single annual session | Often a single session per cycle |
| Best paired with | Skin boosters for skin quality | Ultrasound lifting for depth | RF tightening for surface firming |
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