JRYN Dermatology treats foreign patients in Seomyeon, Busan, in English — five minutes from Seomyeon Station Exit 2. Browse by treatment, or read the guides below before you book.
JRYN Dermatology — Seomyeon Main Branch
4F, Samjeong Tower, 672 Jungang-daero, Busanjin-gu, Busan 47291, Korea ·
WhatsApp +82-10-5573-7574
Open seven days · walk-in or through lunch · English-speaking coordinators ·
Chief Director Dr. Jeong Heon Lee
4F, Samjeong Tower, 672 Jungang-daero, Busanjin-gu, Busan, Korea
Onda Coolwaves · Seomyeon, Busan · Foreigner-Friendly
Onda Coolwaves in Busan Seomyeon, microwaves for the fat, cooling for the skin.
Onda is the Italian body machine built on Coolwaves — microwaves tuned to subcutaneous fat, delivered in moving passes while the handpiece cools the surface. Fat reduction, mild tightening and cellulite texture in one platform, from ₩100,000 per session. English, 日本語 and 中文 consults. Medically reviewed by Dr. Jeong Heon Lee, MD.
Nothing sends until you press send in WhatsApp. Sharing a photo gets you a faster, more accurate answer — and a fair estimate in advance.
30–45 min
Per Area
4–6 wk
First Change
3–6
Sessions
0 day
Downtime
2–4 wk
Interval
₩
100k+
From
Does This Sound Familiar?
What Busan patients ask before booking Onda.
What are "Coolwaves" — marketing, or an actual different technology?
How is this different from fat freezing? Both claim no downtime.
Can it help the cellulite texture on my thighs, or only volume?
Does it hurt, and will I look bruised at the beach?
How many sessions per area, honestly — and what does the course cost?
All five come up most weeks in Busan. The sections below answer them in order — what 2.45 GHz microwaves actually do to fat, the honest Onda-versus-freezing comparison, per-session pricing, and course math per body zone.
Onda Coolwaves · JRYN Seomyeon
What Is Onda?
Coolwaves, a different physics for fat.
Onda (DEKA, Italy) delivers Coolwaves — 2.45 GHz microwaves whose energy preferentially couples with subcutaneous fat, passing through the skin with minimal surface heating while the handpiece actively cools what it touches.
Disrupted fat cells clear metabolically over the following weeks, while the same energy stimulates dermal collagen — which is why Onda addresses volume, mild laxity and cellulite texture on one platform instead of trading one for another. Sessions run per area from ₩100,000 (10,000 lines) on the published list at our Busan clinic, in courses whose count is written before you start.
How It Works
The science, without the hype.
The physics is the differentiator — here is what the frequency choice buys.
01
Fat-selective coupling
2.45 GHz energy deposits preferentially in fat tissue — the wave does its work in the layer you want changed, not the layer you can see.
02
Moving passes, cooled skin
The handpiece sweeps in continuous motion with active contact cooling — no fixed applicator holds, no frozen-zone numbness, comfortable sessions.
03
Metabolic clearance
Disrupted adipocytes clear through normal metabolism over four to eight weeks per session — the mirror changes on a biological delay.
04
Collagen side-benefit
Dermal stimulation from the same passes supports mild tightening and smoother cellulite texture — the reason Onda suits zones where skin quality matters too.
Zones We Treat
One platform, dosed per body zone.
Per-area sessions from the published list — the examination writes your zone count before you start.
Abdomen & flanks
Core
The full-layer zones where moving passes cover what applicators cannot.
Sessions3–6 typical
Per sessionfrom ₩100,000
Arms & thighs
Limbs
The stubborn-zone pair — covered in detail on its own page.
Sessions3–6 typical
PageArm & thigh
Double chin
Submental
The facial application — smaller handpiece, same physics.
Sessions2–4 typical
PageDouble chin
Cellulite zones
Texture
Thigh and buttock texture — the collagen side of Coolwaves earns its keep here.
Sessions4–6 typical
MetricTexture photos
Your Visit, Step by Step
Six steps at our Busan clinic, thirty to forty-five minutes per area.
01
Zone examination
Pinch-mapping and skin-quality assessment at our Busan clinic — fat depth, laxity and texture decide dosing, and machine-wrong cases are routed elsewhere honestly.
02
Photos and tape
Fixed-frame photographs and circumference measures — body results are gradual, and the tape referees what memory flatters.
03
Written course and pricing
Sessions per zone at the published per-session price, in writing, before anything starts.
04
The session
The handpiece sweeps the mapped zone in slow passes — warmth and deep massage for thirty to forty-five minutes per area, no numbing needed.
05
Straight back to your day
No garments, no restrictions — gym tomorrow, flight tonight. The no-downtime claim is literal here.
06
Interval and review
Two to four weeks between sessions; photos and tape at each — continued by message after you leave Busan.
Onda Coolwaves Pricing
How much is Onda at JRYN in Busan?
From ₩100,000 per session per area (10,000 lines) — the published price Korean patients pay, with your zone's session count stated in writing before you start. Typical courses run three to six sessions per area, two to four weeks apart.
Your options, side by side.
The Onda entries and their precision neighbour, all at published prices.
Option
Best for
Price
Onda — body areas
Abdomen, flanks, arms, thighs
from ₩100,000 / session
Onda — double chin
Submental fat pad
from ₩100,000 / session
Fat dissolving injection
Small mapped pockets
from ₩3,000 / unit
Published prices in Korean Won, identical to the list Korean patients see — no foreigner markup. Courses price as session × written count; areas stack in one visit at per-area pricing. See the full price list.
The Course Curve
What a course honestly looks like.
When
What you will notice
What to do
Day 0
Warmth and deep massage during; mild workout-style tenderness after. Nothing visible yet — by design.
Normal life immediately. Hydrate well; clearance is metabolic.
Week 2–4
Session two lands; early pinch softening in the zone. The tape may move before the mirror does.
Keep the interval and the measurements — trust tape over memory.
Week 6–8
First honest mirror change for most — waistbands and sleeves sit differently.
Mid-course comparison decides whether the written count holds or adjusts.
Week 12+
Course result in fixed-frame photos and centimetres; texture zones read smoother from the collagen side.
Maintenance is lifestyle plus optional sessions — stated, never upsold.
Honest Suitability
Who it suits in Busan — and who should wait.
A good fit if you…
Pinchable fat layers on abdomen, flanks, arms or thighs at stable weight
Zones where mild laxity or cellulite texture rides along with the fat
A defined written course at published per-session pricing
Genuinely zero-downtime treatment that fits work and travel
Comparing against fat freezing and wanting the moving-pass, no-numbness version
Better to wait if you…
Pregnancy or breastfeeding — deferred as standard
Metal implants or electronic devices in the field — assessed case by case
Primarily loose skin rather than fat — lifting plans serve you, and we will say so
Expecting surgical-scale volume change — that is liposuction territory, honestly
After your treatment
Workout-style tenderness for a day or two is normal
No garments, no restrictions — train from tomorrow
Hydrate well through the course; metabolic clearance likes water
The mirror changes on a four-to-eight-week delay — the tape tells the truth first
Honest limits
Contouring, not weight loss — the tape is the metric, not the scale
Results build by course; single-session claims are marketing physics
Significant laxity does not resolve here — mild tightening is a side benefit, not a lift
Our Medical Team
Onda or fat freezing — which actually serves me better?
Different physics, different session experience. Freezing holds a fixed applicator on one shape of bulge and leaves numb zones for weeks; Coolwaves sweep in moving passes with cooled skin, cover irregular zones, and add the collagen side-benefit freezing lacks. Where freezing still argues is single large symmetric bulges. The pinch-map at our Busan clinic makes the honest call for your zone.
Three doctors, one standard of care.
Every Onda course at JRYN Busan Seomyeon is planned and supervised in person by one of our doctors
From the Founder
Examined and planned in person by one of our doctors.
I like Onda because the physics is honest: energy that prefers fat, skin that stays cooled, results that arrive on metabolism's calendar. In Busan we run it the way it deserves — written counts, tape measures, and no promise the machine cannot keep.
Graduated from Inje University
Current Head of the JRYN Network
Current Chief Director of JRYN Seomyeon
Former Chief Director of Lin Clinic
Former Chief Director of Centum Lin Clinic
Managing Director · Seomyeon Main Branch
Dr. Yoon Jung-wook
Full Member, Korean Society of Aesthetic Plastic Surgery
Full Member, Korean Society for Aesthetic Plastic Surgery & Laser Medicine
Full Member, Korean Society of Obesity & Body Contouring
Former Neurosurgery Resident (3rd Year), Dong-A University Hospital
Former Intern, Dong-A University Hospital
Former Chief Director, Forever Plastic Surgery & Dermatology (Changwon)
Former Chief Director, Lovely Plastic Surgery & Dermatology (Changwon)
Former Director, Insta Plastic Surgery & Dermatology (Gimhae)
Former Director, Dr. Yoon Beauty Center (Vietnam)
Vice Managing Director · Seomyeon Main Branch
Dr. Jin Tae-wan
Former Director of Dermatology, MediWoman Women's Clinic
Former Director of Dermatology, Hangdo Quantum Clinic
Former Chief Director, AGE Clinic (formerly Paresa Clinic)
Former Chief Director, One Clinic (Guro)
Former Director, One Clinic (Gangnam)
Former Chief Director, SKY Plastic Surgery (Jongno)
Former Visiting Physician, Guangfu Aesthetic Plastic Surgery Hospital (Dalian, China)
Former Associate Director, Tokeshi Plastic Surgery
Former Associate Director, Midam Dermatology Clinic
Former Associate Director, Noble Line Plastic Surgery
Former Associate Director, Jeniva Plastic Surgery
Former Military Flight Surgeon, ROK Army Aviation Operations Command
Former Intern & Resident, Kangdong Sacred Heart Hospital
Quick Answers
Does Onda help cellulite texture or only fat volume?
Both, which is its quiet advantage: the microwave passes disrupt fat while stimulating dermal collagen, so thigh and buttock texture smooths over a course alongside the volume change. Texture-led cases run four to six sessions (from ₩100,000 each) and are photographed in raking light, honestly.
How many sessions and what does a course cost per area?
Three to six sessions per area for most zones, two to four weeks apart, at ₩100,000 per session — so a typical single-zone course lands at ₩300,000–600,000, stated in writing before you start. Areas stack in one visit at per-area pricing.
Everything Else You Might Ask
Onda questions in Busan.
From ₩100,000 per session per area (10,000 lines) on the published list — no foreigner markup. Courses are session × your written count; typical single-zone courses land at ₩300,000–600,000.
Yes — English, Japanese (日本語) and Chinese (中文). We are a 5-minute walk from Seomyeon Station Exit 2, and photo-and-tape reviews continue on WhatsApp after you fly home from Busan.
2.45 GHz microwaves from DEKA's Onda platform — a frequency chosen because its energy deposits preferentially in fat tissue, with the handpiece actively cooling the skin it touches. The name is branding; the frequency selection is the substance.
Freezing: fixed applicator, one bulge shape, post-treatment numbness for weeks. Onda: moving passes over any zone shape, cooled comfortable skin, no numb zones, plus a collagen side-benefit. Both clear fat metabolically; the experience and coverage differ.
Warmth and deep massage is the honest description — no numbing needed on any zone. Afterwards reads like a workout, not a procedure.
Per session, clearance completes over four to eight weeks — so the first honest mirror change lands around week six of a course. The tape usually moves first; we measure precisely because of this delay.
Mildly — the collagen stimulation is real but it is a side benefit, not a lift. Meaningful laxity belongs to the lifting menu, and the examination routes it there instead of overpromising here.
Cleared cells do not regenerate; remaining cells enlarge with weight gain. At stable weight the contour holds — Onda shapes, lifestyle maintains.
Literally — no garments, no numb zones, no restrictions. Gym tomorrow, flight tonight. It is why Onda fits visitor itineraries so well.
Yes — areas stack at per-area pricing in a single appointment. Abdomen plus flanks and arms plus inner thighs are the common pairings at our Busan clinic.
Palm-sized or larger: Onda. Two-to-three-finger pockets: injections (from ₩3,000 per unit). Mixed cases run Onda first with injections as spot-finish — the pinch-map decides before either is booked.
Yes — flanks and abdomen are the most common male zones at our Busan clinic, and nothing on the body menu is gendered.
Yes — you can fly out of Busan the same day. Nothing interacts with cabin pressure; hydrate on the flight, as clearance likes water.
A full course spans six to twelve weeks, so most visitors bank two to three sessions in Busan and continue by written plan — and if your dates make starting pointless, we say so at the exam.
Nothing strict — hydrate normally, skip heavy creams on the zone that day, and give fresh sunburn 48 hours.
Visibly slimmer contour in fixed-frame photos, centimetres on the tape, smoother texture where that was the goal — over a three-to-six-session course. What no honest clinic promises: weight loss, surgical-scale change, or laxity fixed by a fat machine.
JRYN Dermatology — Seomyeon 4F, Samjeong Tower, 672 Jungang-daero, Busanjin-gu, Busan 47291, South Korea · Consultations in English, Japanese (日本語) and Chinese (中文) · 5 minutes from Seomyeon Station Exit 2 · Directions & hours
JRYN Seomyeon
· 4F Samjeong Tower, 672 Jungang-daero · 5 min from Seomyeon Station Exit 2 · inside Seomyeon Medical Street · open through lunch, seven days a week
Ready When You Are
Plan your Onda course before you fly.
Send a photo and your Busan travel dates on WhatsApp. We'll reply in English with an honest read of what suits you — and a realistic plan for your trip.
Medical information on this page is general education, reviewed by Dr. Jeong Heon Lee, MD. Individual suitability, session counts and pricing are confirmed at an in-person consultation at JRYN Dermatology, Busan Seomyeon. Results and timelines vary by individual.