ONDA in Hongdae–Hapjeong , Seoul
Onda at Beautystone Clinic in Hongdae–Hapjeong is a non-invasive body contouring treatment that uses microwave technology to reduce fat and tighten skin. It delivers targeted fat reduction and skin tightening with minimal discomfort and no downtime.
Dr. Young-jin Wi, MD · Chief Director, Beautystone Clinic
Seoul National University College of Medicine · Board-certified, SNU Hospital · Academic Director, Korean Society of Aesthetic Medicine
Last reviewed October 2026 · Every ONDA treatment at Beautystone is planned and performed by a physician.
What is Onda?
Onda is a non-surgical body contouring treatment that uses Coolwaves™ microwave technology to target and reduce localized fat while tightening the skin.
The energy penetrates deep into the tissue, selectively affecting fat cells and stimulating collagen production for improved firmness.
What Concerns Can Onda Treat?
It’s suitable for patients looking for fat reduction without surgery.
How your session goes.
Onda uses a handheld device that delivers controlled microwave energy to targeted areas.
The applicator is placed on the treatment area
Energy is delivered in a controlled manner
The session typically takes 20–40 minutes per area
No anesthesia is required
You can return to daily activities immediately after treatment.
Does it hurt? Any downtime?
How it feels
Most patients feel a warm sensation during treatment. Discomfort is minimal and well-tolerated. The device includes cooling technology to enhance comfort and protect the skin.
No downtime
There is no downtime. You may experience: These effects usually resolve within a few hours.
- Mild redness
- Slight warmth in the treated area
When will I see it ?
When it shows
Results develop gradually over several weeks as fat cells are reduced and collagen production increases.
What to expect
Reduced fat volume · Improved body contour · Firmer skin
How long it lasts
Results can be long-lasting with proper lifestyle maintenance.
Most patients require 2–4 sessions depending on the treatment area and desired results. Sessions are typically spaced a few weeks apart.
Onda vs. Other Body Contouring Treatments
Onda uses microwave technology for deeper fat targeting and skin tightening, while other treatments may use ultrasound or cryolipolysis.
It is particularly effective for both fat reduction and skin tightening in one treatment.
Why choose Beautystone ?
Advanced Coolwaves™ technology for effective fat reduction
Experienced providers in body contouring treatments
Customized treatment plans based on body goals
Focus on natural and balanced results
Comfortable and professional clinic environment in Hongdae
English support
Consult on WhatsApp before you fly; care in English, Japanese, Chinese and Thai.
Questions, answered.
Still unsure? Message us on WhatsApp — a coordinator replies in English.
What is Onda?
Onda is a non-surgical body contouring treatment that uses Coolwaves™ microwave technology to target and reduce localized fat while tightening the skin. The energy penetrates deep into the tissue, selectively affecting fat cells and stimulating collagen production for improved firmness.
What Concerns Can Onda Treat?
It’s suitable for patients looking for fat reduction without surgery. Typically: Stubborn fat deposits, Body contouring, Skin laxity, Cellulite, Double chin fat, Abdominal fat, Love handles, Thigh and arm fat.
How is the Procedure Performed?
Onda uses a handheld device that delivers controlled microwave energy to targeted areas. You can return to daily activities immediately after treatment. Typically: The applicator is placed on the treatment area, Energy is delivered in a controlled manner, The session typically takes 20–40 minutes per area, No anesthesia is required.
Does Onda Hurt?
Most patients feel a warm sensation during treatment. Discomfort is minimal and well-tolerated. The device includes cooling technology to enhance comfort and protect the skin.
How Long Do Results Last?
Results develop gradually over several weeks as fat cells are reduced and collagen production increases. Results can be long-lasting with proper lifestyle maintenance. Typically: Reduced fat volume, Improved body contour, Firmer skin.
How Many Sessions Do You Need?
Most patients require 2–4 sessions depending on the treatment area and desired results. Sessions are typically spaced a few weeks apart.
Is There Any Downtime?
There is no downtime. These effects usually resolve within a few hours. Typically: Mild redness, Slight warmth in the treated area.
Where can I get ONDA near Hongdae?
At Beautystone Clinic in Mecenatpolis Mall, directly connected to Hapjeong Station Exits 9 & 10 — one stop from Hongik University Station on Line 2. We are open 7 days a week.
How do I book ONDA at Beautystone?
Message us on WhatsApp at +82-10-2776-3144. A coordinator replies in English and arranges a 1:1 consultation with a doctor before any treatment.
Related treatments.
Ready for a lifted look ?
Send your questions on WhatsApp and a coordinator will reply in English. Hapjeong Station Exits 9 & 10, open 7 days.
