Gangnam
Dr. Yoon-Gon Ryu
Aesthetic Medicine Specialist
Flagship clinic · KOL for leading lifting & regenerative devices · Featured in Authority Magazine (2026)
Thermage FLX delivers monopolar radiofrequency to the deep dermis in a single session, contracting collagen for tightening that builds over about 2 to 6 months.
Thermage is a non-surgical, single-session monopolar radiofrequency treatment that heats the deep dermis to contract and rebuild collagen, tightening loose skin on the face, eyes, and neck. Results build gradually over about 2 to 6 months with minimal downtime. In Seoul, the clinic’s doctors assess your laxity and tailor the tip and area at consultation.
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Thermage is a non-surgical skin-tightening treatment that uses monopolar radiofrequency to firm loose or ageing skin without cutting or removing tissue. The current-generation device, Thermage FLX, delivers controlled radiofrequency energy deep into the dermis while a cooling burst protects the surface, so the deeper collagen layer is heated to the contraction range and the skin above stays comfortable. It is a single-session treatment for most patients, which makes it popular with international visitors who want a meaningful result in one Seoul trip.
The appeal of Thermage is that it addresses skin laxity, not just fine lines. As collagen fibers contract from the heat and then remodel over the following months, the skin along the jawline, cheeks, eyes, and neck can look firmer and better defined. Because the energy is not absorbed by pigment, monopolar radiofrequency is generally considered suitable across a wide range of skin tones.
At Reberry Clinic, Thermage FLX is consultation-led. For international patients near Hongdae (Hongik Univ.) Station — 홍대입구역 — care is provided across our Seoul locations (Gangnam, Myeongdong), easily reached from 홍대입구역, with full English support. The clinic’s doctors assess your skin, confirm suitability, and plan the right tip and area before treatment.
Thermage FLX is a monopolar radiofrequency platform: a single vibrating tip passes an alternating electrical current through the skin, and the tissue’s natural resistance converts that current into heat deep in the dermis. A cryogen cooling spray fires with each pulse to keep the epidermis protected while the deeper layer reaches the collagen-contraction temperature range. The FLX generation adds a vibration and comfort system plus a larger 4.0 cm² tip that covers more area per pulse than earlier versions, which is why treatment is faster than older Thermage devices. Unlike focused ultrasound, which targets discrete points at the SMAS layer, monopolar radiofrequency delivers bulk heating across a volume of dermis, producing broad tightening rather than pinpoint lifting lines. The immediate collagen contraction gives some early firmness, and the controlled thermal injury then triggers neocollagenesis, so new collagen continues to build for months. Different tips exist for the face, the periorbital eye area, and the body, and the clinic’s doctors match the tip, energy level, and pulse count to your skin type, laxity, and comfort.
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Doctors grid the face, eyes, or neck into small squares so radiofrequency pulses are applied evenly, guiding how many of the tip’s pulses your plan uses across the 1 area.
The single tip heats the deep dermis to the collagen-contraction range while cooling protects the surface with every 1 of the pulses.
Existing collagen fibers tighten during the session, giving some visible firmness within the first days for many patients.
The controlled heat triggers new collagen production that continues for about 2 to 6 months, when the main result appears.
Results commonly last around 1 to 2 years, and many patients repeat annually to sustain firmness.
Because firming fades over about 12 to 24 months, your doctor sets a maintenance rhythm suited to your skin and goals.
Reberry Clinic · Prices verified: Oct 2026
| Clinic | Price (KRW) |
|---|---|
| Gangnam & MyeongdongThermage FLX 600 Shots | from₩1,990,000 |
VAT excluded · Final price depends on treatment scope and skin condition · Confirmed after consultation
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, confirm Thermage FLX suits you, and plan the tip and area, explaining everything in English.
A face session typically takes about 45 to 60 minutes, with cooling and comfort managed throughout each pulse.
Thermage is usually completed in a single session, so most patients need just one comprehensive visit.
You may see some immediate firming, with the main tightening building over about 2 to 6 months as collagen remodels.
Results commonly last around 1 to 2 years, supported by daily sunscreen and gentle skincare, with many patients repeating annually.
Thermage is a non-surgical monopolar radiofrequency treatment that heats the deep dermis to contract and rebuild collagen, tightening loose skin. A cooling burst protects the surface while the deeper layer is heated. You can read the full method on our Thermage FLX page, and the clinic’s doctors tailor it at consultation.
Thermage is primarily a tightening treatment: monopolar radiofrequency heats a volume of dermis to firm skin texture and laxity rather than repositioning deep tissue. For a deeper lift of sagging foundational tissue, Ultherapy Prime uses focused ultrasound. Your doctor advises which better matches your goals at consultation.
Adults with mild to moderate facial or neck laxity who want non-surgical firming are usually suitable for Thermage FLX. A consultation confirms suitability and checks for contraindications such as pacemakers or pregnancy. If your laxity is advanced, your doctor may suggest combining treatments and will explain the options clearly.
Thermage FLX is designed to be tolerable, with integrated cooling and vibration to manage comfort, and studies report an average pain score around 3 out of 10. You feel brief heat with each pulse followed by cooling. Your doctor adjusts the energy and settings to your comfort throughout the session.
Thermage FLX usually has minimal downtime, with brief redness or mild swelling that settles within hours to a day for most people. You can typically return to daily activities the same day. Your doctor explains what to expect for your specific area so you can plan your trip around it.
Some tightening can appear immediately from collagen contraction, but the main firming builds over about 2 to 6 months as new collagen forms. Results develop gradually rather than overnight. Your doctor reviews the expected timeline at consultation so you know when to judge your outcome fairly.
Thermage results commonly last around 1 to 2 years, though this varies with age, skin quality, and lifestyle, so it is a refresh rather than a one-time permanent fix. Many patients repeat annually to maintain firmness. Your doctor suggests a realistic maintenance rhythm during the consultation.
Thermage FLX is typically a single-session treatment, since collagen remodels gradually after one comprehensive visit rather than a course. Most patients treat once and consider repeating annually. Your doctor confirms whether a single session suits your laxity and goals during your consultation.
Yes, a smaller periorbital tip lets Thermage treat the delicate eye area, and a study using a 0.25 cm² tip reported 73% of patients seeing over 50% eyelid-tightening improvement at 2 months. The eye plan uses a different tip from the face. Details are on our Thermage FLX page.
Yes, Thermage is often paired with treatments like Sofwave or skin boosters to address both laxity and quality, and your doctor sequences them so the skin is not over-stressed. Combining can be efficient for one Seoul trip. The plan is explained transparently at consultation.
Thermage FLX uses monopolar radiofrequency for broad deep-dermis tightening, while Ultherapy Prime uses micro-focused ultrasound to lift the deeper SMAS layer. They target different depths, so many patients suit one better than the other. Your doctor compares them for your skin and goals during the consultation.
Yes, monopolar radiofrequency heats the deep dermis and is not absorbed by pigment, so it is generally considered suitable across a wide range of skin tones, including deeper tones. This colour-independence is one reason RF is popular in diverse patients. Your doctor still assesses your skin at consultation to keep the plan safe.
Aftercare is simple: daily sunscreen, gentle skincare, and good hydration support collagen remodeling over the following months. Avoid intense heat, such as saunas, for a day or two. A supportive skin care routine helps protect your results, and your doctor gives tailored guidance after the session.
For patients near Hongdae (Hongik Univ.) Station — 홍대입구역 — Thermage FLX is provided across our Seoul locations in Gangnam and Myeongdong, both easily reached from 홍대입구역. Our English-speaking team helps you choose the most convenient location and coordinate a time that suits your schedule.
For Thermage FLX, 1 to 2 days in Seoul is usually comfortable, allowing a consultation, the single session, and a short review. Because downtime is minimal, many international patients fit it into a short trip. Our English-speaking team helps coordinate timing around your travel plans.
Yes, flying within a day of Thermage FLX is generally fine, as it is a non-invasive external treatment with minimal downtime. Cabin air is drying, so moisturise and use sunscreen on arrival. Your doctor provides tailored aftercare so you can travel comfortably after your session in Seoul.
Because Thermage FLX is typically a single session, most international patients complete it in one Seoul visit, and the clinic offers remote check-ins in English if questions arise later. You can continue supportive skin care at home. Your treatment notes are kept on file for any return visit.
| Thermage FLX | Ultherapy Prime | Sofwave | |
|---|---|---|---|
| Energy / mechanism | Monopolar radiofrequency, broad deep-dermis heating | Micro-focused ultrasound to the SMAS layer | SUPERB ultrasound to the mid-dermis |
| Best for | Overall skin tightening and firmer texture | Deeper lifting of foundational, sagging tissue | Mid-layer tightening and fine-line softening |
| Pain / comfort | Managed with integrated cooling and vibration | Can feel deeper, brief energy sensations | Generally comfortable |
| Downtime | Usually minimal, brief redness possible | Usually minimal, possible tenderness | Usually minimal |
| Results timeline | Some immediate firming, builds over 2 to 6 months | Builds over about 2 to 3 months | Builds over roughly 3 months |
| Sessions | Typically a single session | Often a single session | Often a single session |
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UltherapyUltrasound lifting for deeper layersView →
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Guides: Thermage FLX vs InMode · Thermage FLX: what to expect
Your treatment is planned and performed by experienced, MFDS-registered doctors across our Seoul-area clinics, with multilingual support for international patients.
Flagship clinic · KOL for leading lifting & regenerative devices · Featured in Authority Magazine (2026)
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