advanced machine for asthetic treatments
Our Expertise

Advanced Thermage FLX Treatment in Korea

Advanced Gold Standard in Non-Invasive Skin Tightening

Now available at Reberry Clinic, one of Korea’s first clinics to offer the upgraded Thermage FLX platform with the AccuREP energy-management system.

Thermage FLX firms and tightens skin without surgery by delivering monopolar radiofrequency (RF) deep into the dermis, where it heats and contracts existing collagen on contact and triggers fresh collagen over the following months. A single session smooths fine lines, lifts mild sagging and refines contour on the full face, the delicate eye area, the neck and the body. With an integrated cooling and vibration system there is no surgery and no downtime, so international patients can be treated on a short Seoul trip and watch firmness build for up to 6 months afterward.

4.8
powered by Google

Thermage FLX is a non-surgical skin-tightening treatment that uses monopolar radiofrequency to heat deep collagen, causing immediate contraction and new collagen over 2 to 6 months. One session suits adults with mild to moderate laxity or wrinkles on the face, eyes, neck or body who want firmer skin with no surgery and no downtime.

Doctor-Designated Care

One-on-One guidance from a dedicated doctor, ensuring your skin is professionally monitored and treated from start to finish.

Multilingual Comfort

Fluent assistance in English, Japanese, and Chinese, making communication clear, respectful and comfortable for international patients.

100,000+ Patients Treated

Over 100,000 patients worldwide have received our personalized dermatological care, highlighting our expertise and reliable results.

What is Thermage FLX Treatment?

Thermage FLX is the upgraded, fourth-generation version of Thermage, a non-surgical skin-tightening treatment that uses monopolar radiofrequency (RF) energy to heat the deeper dermal and subcutaneous layers of the skin. This bulk heating causes immediate contraction of existing collagen fibers and stimulates new collagen production, so skin becomes firmer, smoother and more lifted over the months that follow. It treats the full face, eyes, neck and body to soften fine lines, wrinkles and mild to moderate laxity.

Compared with earlier Thermage, FLX adds the AccuREP algorithm that reads skin impedance and auto-calibrates each pulse, plus a larger 4.0 cm-squared tip that covers about 33% more area per pulse for a faster, more comfortable session. Because RF energy bypasses surface pigment and heats tissue directly, Thermage FLX is suitable across the full range of skin tones, including the deeper Asian phototypes commonly treated at our clinic.

Thermage FLX requires no injections, no incisions and no recovery time. Treatment is performed at Reberry Clinic by the clinic’s doctors, with English-speaking support for international patients across three Seoul-area locations (Gangnam, Myeongdong, Incheon Airport).

advanced machine for thermage treatment

Advanced radiofrequency (RF) Technology

Thermage FLX uses monopolar radiofrequency (RF) technology driven by the patented AccuREP algorithm, which measures the skin’s electrical impedance and tunes each pulse so energy is delivered precisely into the dermal and subcutaneous layers. Unlike ultrasound or laser, RF heats tissue by volumetric bulk heating: the deep collagen-rich layers reach a therapeutic temperature of roughly 65-75 degrees Celsius while the surface stays protected.

This controlled deep heat does two things at once. It immediately contracts and tightens existing collagen fibers for a visible firming effect, and it provokes a natural wound-healing response that recruits fibroblasts to build new collagen and elastin over 2 to 6 months. An integrated cooling and vibration system cools the epidermis before, during and after every pulse and uses gentle vibration to disperse the heat sensation, keeping the procedure comfortable while minimizing side effects. The larger 4.0 cm-squared treatment tip covers more area per pulse, shortening the session versus older Thermage devices.

Cases
0
Pigmentation treatments
Cases
0
Filler procedures
Patients
0
Lifting treatments
Our Clinics

Visit Reberry Clinic across Seoul, Korea

One Reberry Clinic, multiple Seoul-area locations. Pricing & current promotions are listed on each branch's own site — tap a clinic to view pricing & book.

ONE REBERRY CLINIC · MFDS-REGISTERED DEVICES · MULTILINGUAL CARE AT EVERY LOCATION

Benfits of Thermage FLX

Key Benefits of Thermage FLX

benefits of having thermage treatment
How it works

How Thermage FLX Treatment Works

Targeted Radiofrequency Energy for Stimulating Collagen
Thermage FLX delivers monopolar radiofrequency (RF) energy guided by the AccuREP algorithm, which auto-adjusts each of the typical 300 to 900 pulses to the skin’s measured impedance. The RF is absorbed throughout the collagen-rich dermis by volumetric bulk heating, reaching about 65-75 degrees Celsius at depth. This tightens existing collagen on contact and stimulates new collagen, addressing laxity at its source rather than only at the surface.
The Thermage FLX system fires controlled pulses of monopolar RF that heat collagen fibers several millimeters below the surface, causing immediate contraction and triggering the body’s natural collagen-building process. An integrated cooling and vibration system cools the epidermis before and after each pulse, so the surface is protected while the deep tissue reaches its therapeutic 65-75 degrees Celsius. This targets skin laxity, fine lines and wrinkles, with firmness continuing to improve for months.
After treatment, the body remodels and rebuilds collagen in the treated zones, gradually improving firmness, elasticity and texture over 2 to 6 months. This produces long-lasting skin tightening and a more youthful contour, with results from a single session typically sustained for 1 to 2 years depending on your natural rate of skin aging.
real results

Before, After, and Proven Results

At Reberry Clinic we have helped clients from around the world firm and tighten their skin with targeted Thermage FLX treatment. Our before-and-after photos reflect individual treatment plans tailored to each person’s anatomy and degree of laxity. Results vary from person to person depending on skin condition, age and the area treated, and are not guaranteed; a consultation is the best way to understand what Thermage FLX can realistically achieve for you.

A State-of-the-Art Clinic with Advanced Care

Established in August 2023, Reberry Clinic earned certification as a medical institution for foreign patient care by November 2023. Since then we have welcomed growing numbers of international patients seeking non-surgical anti-aging care. Multilingual support (English, Korean, Thai, Japanese, Chinese) and three Seoul-area locations, including one at Incheon Airport, make treatment convenient for visitors.
illustration of results of facelift treatment at reberry clinic
a woman gently touching her cheek with finger

Accessible Care for All Patients

All of our treatments are available at three convenient Seoul locations: Myeongdong Branch, a city center near popular tourist spots, Incheon Airport Branch, just minutes from the terminals and ideal for travelers seeking quick, accessible care, and Gangnam Branch, located in Seoul’s upscale district, perfect for those looking to combine premium care with shopping and dining.

Fair & Equal for All Patients

We provide fair and transparent pricing for all patients, whether local or international, with no hidden charges and no differences based on nationality.

Advanced Technology

We use the same advanced machines approved by the FDA and offer you high-performance results without the luxury price tag.

Direct Doctor Consultations

Your consultations are conducted personally by our head doctor, ensuring you receive expert guidance, personalized advice, and a high standard of trust.

Premium Personalized Care

Receive personalized, top-tier dermatological care at competitive prices to other clinics, combining affordability with excellence.

Our process

Treatment Timeline & Expectations

01. Initial Consultation
Your Thermage FLX journey begins with a 60-minute one-on-one consultation with the clinic’s doctor. We assess your skin condition, degree of laxity and aging concerns, then build a personalized plan that targets specific areas such as sagging skin, fine lines and the eye region, and sets the appropriate pulse count for your anatomy and goals.
The Thermage FLX treatment itself typically takes 45 to 90 minutes, depending on the area and the number of pulses planned (often 300 to 900). After cleansing, a numbing cream is applied to keep you comfortable. The device then delivers monopolar RF energy managed by the AccuREP algorithm, with the integrated cooling and vibration system protecting the surface. Most patients feel a brief heat or tingling sensation during each pulse, generally rated moderate.
You may notice an immediate tightening or lifting effect right after treatment. Over the next 2 to 6 months, collagen production increases naturally, leaving skin firmer, smoother and more lifted. Any mild redness or swelling usually settles within a few hours; in rare cases slight swelling can persist for up to a week as part of the normal healing process. There is no downtime, so you can resume daily activities the same day.
Thermage FLX results can last 1 to 2 years, depending on your skin’s natural aging process. To maintain and build on the effect, a follow-up session is generally recommended every 12 to 24 months. Consistent skincare, including daily sunscreen and good hydration, helps prolong firmness and protect your new collagen.

Post-Procedure Precautions

smiling woman with fair skin

Safety & Information

Important Contraindications

Thermage FLX vs Ultherapy Prime vs Sofwave

Thermage FLX, Ultherapy Prime and Sofwave are all non-surgical tightening and lifting options that work at different skin depths — here is how they compare.

Thermage FLXUltherapy PrimeSofwave
Energy / mechanismMonopolar radiofrequency (RF), volumetric dermal heatingMicro-focused ultrasound (MFU-V), targets the SMASSUPERB synchronous ultrasound, mid-dermis ~1.5 mm
Best forOverall skin tightening, crepey texture, collagen laxityDeeper structural lifting of brow, jawline and neckFine lines and mild-to-moderate mid-face laxity, all skin tones
Pain / comfortWarm heating pulses with vibration; generally tolerableDeeper tingling at the SMAS; varies by areaMild warmth with built-in cooling; comfortable
DowntimeNone; mild redness for a few hoursNone to minimal; occasional short-lived swellingNone; transient redness
Results timelineGradual over 2-6 months as collagen remodelsGradual over 2-3 months, continuing toward ~6 monthsGradual over 6-12 weeks
LongevityAbout 1-2 years, varies with skin and ageAbout 1-2 yearsAbout 1 year
SessionsUsually 1 session, repeated periodicallyUsually 1 sessionOften 1 session

Scientific Evidence

Monopolar radiofrequency (RF), the technology behind Thermage FLX, is supported by more than two decades of peer-reviewed clinical research. In a foundational multicenter study of the Thermage device, blinded review found Fitzpatrick wrinkle-score improvements of at least one point in 83.2% (99/119) of treated periorbital areas, with 61.5% (40/65) of eyebrows lifted by at least 0.5 mm after a single treatment. Histometric work in patients shows the mechanism directly: a single monopolar RF session measurably increases collagen and elastic fibers in the papillary and upper reticular dermis at the 2-month mark. In Asian populations, a prospective study of 30 volunteers with Fitzpatrick skin types III to V reported improvement in lower-facial laxity in all patients immediately after one treatment, with continued gains across 1, 3 and 6 months, and a study of 20 aged faces documented significant firming of the jowls and nasolabial folds from week 4 through week 24 with no burns or scarring. These findings support gradual, collagen-driven tightening, the population most commonly treated at our clinic.

  • Fitzpatrick R, Geronemus R, Goldberg D, et al. Multicenter study of noninvasive radiofrequency for periorbital tissue tightening. Lasers Surg Med. 2003;33(4):232-242. doi:10.1002/lsm.10225
  • Suh DH, Choi JH, Lee SJ, et al. Monopolar radiofrequency treatment for facial laxity: Histometric analysis. J Cosmet Dermatol. 2020;19(11):2867-2872. doi:10.1111/jocd.13449
  • Kerscher M, Nurrohman, Bayrhammer J, et al. Efficacy and Safety of Monopolar Radiofrequency for Treatment of Lower Facial Laxity in Asians. Dermatol Ther (Heidelb). 2022;12(11):2563-2574. doi:10.1007/s13555-022-00817-8
  • Lee YI, Lee SG, Kim J, et al. Efficacy and Safety of Monopolar Radiofrequency for Tightening the Skin of Aged Faces. Cosmetics. 2024;11(3):71. doi:10.3390/cosmetics11030071
  • Wang J, Li Y, Liu H, et al. Long-Term Efficacy and Safety of a Novel Monopolar Radiofrequency Device for Skin Tightening: A Prospective Randomized Controlled Study. Lasers Surg Med. 2025. doi:10.1002/lsm.70002
  • Lee SJ, Kim YJ, Park JH, et al. Comparative Analysis on the Efficacy of Monopolar Radiofrequency With Continuous Water Cooling and Conventional Cryogen Spray Cooling in Facial Rejuvenation. Ann Dermatol. 2025. doi:10.5021/ad.25.166
FAQ

Got Questions?
We've Got Answers!

What is Thermage FLX?

Thermage FLX is a non-surgical skin-tightening treatment that uses monopolar radiofrequency to heat deep collagen, contracting it on contact and building new collagen over 2 to 6 months. It firms the face, eyes, neck and body with no surgery or downtime. See our Thermage FLX page for full details and consultation booking.

Thermage FLX adds the AccuREP algorithm, which reads skin impedance and auto-calibrates each pulse, plus a larger 4.0 cm-squared tip covering about 33% more area per pulse. This makes a session faster and more comfortable than earlier Thermage, while the core monopolar radiofrequency mechanism that heats and rebuilds collagen stays the same.

Thermage FLX suits adults with mild to moderate skin laxity, fine lines or wrinkles on the face, eyes, neck or body who prefer a non-surgical option. It is ideal for early sagging rather than severe sagging, where a surgical lift may suit better. Book a Thermage FLX consultation to confirm suitability for your skin.

Yes. Because Thermage FLX uses radiofrequency rather than light or laser, it does not target pigment and carries no pigmentation-change risk, making it appropriate across all Fitzpatrick skin types, including deeper Asian tones. A consultation still confirms the treatment is right for your specific skin condition and goals.

Most patients feel brief heat or a tingling sensation with each pulse, generally rated mild to moderate. Numbing cream is applied beforehand, and the integrated cooling and vibration system plus the AccuREP energy control significantly reduce discomfort. Any sensation stops as soon as each pulse is delivered, and no recovery period is needed.

There is essentially no downtime. Most people return to normal activities the same day. Mild redness or slight swelling may appear immediately and usually settles within a few hours, though rarely swelling can last up to a week. This makes Thermage FLX convenient for international patients treating during a short stay in Seoul.

Some tightening may show right after treatment, but full results build over 2 to 6 months as new collagen forms. Results from a single session typically last 1 to 2 years, depending on your natural aging, after which a maintenance session every 12 to 24 months is commonly advised to preserve firmness.

Many patients see meaningful improvement after a single session, since Thermage FLX relies on your own gradual collagen production. Depending on your degree of laxity and goals, the clinic’s doctor may suggest an additional session. Most patients then maintain results with a treatment every 12 to 24 months as recommended after assessment.

A full session takes roughly 45 to 90 minutes depending on the area and pulse count, plus a short time beforehand for numbing cream to take effect. Your initial consultation is a separate 60-minute appointment where the clinic’s doctor assesses your skin and plans the number of pulses for your anatomy.

Yes. Thermage FLX is often paired with treatments that add volume or improve skin quality, such as injectable fillers or Rejuran Healer. The clinic’s doctor sequences treatments so timing is safe and each works to its full effect. Your plan is customized during consultation.

Thermage FLX uses monopolar radiofrequency to tighten skin and smooth surface texture, while Ultherapy Prime uses micro-focused ultrasound to lift the deep SMAS layer. Tightening versus lifting goals differ, so many patients combine them. A consultation helps decide which suits your concerns best.

Thermage FLX stimulates your own collagen for gradual, natural firming with no insertion, while a thread lift places absorbable threads for a more immediate mechanical lift. They address sagging differently and are sometimes combined. The clinic’s doctor advises which approach fits your degree of laxity and goals.

Thermage FLX is commonly used on the full face, the delicate eye area, the neck and the body, treating fine lines, wrinkles and mild to moderate laxity. A dedicated eye tip allows safe treatment of eyelids and under-eyes. Your consultation determines which areas and pulse counts will benefit you most for your goals.

Side effects are usually mild and temporary: redness, slight swelling or tenderness that resolve within hours to days. Thermage FLX is generally avoided during pregnancy, over active skin infections, and for patients with a pacemaker or other implanted electronic device. A consultation reviews your medical history for any contraindications before treatment.

No. Thermage FLX strengthens skin by stimulating new collagen beneath the surface rather than removing any layers. The radiofrequency heats the deep dermis while integrated cooling protects the epidermis, so the surface stays intact. Over 2 to 6 months your own new collagen makes skin firmer and more resilient, not thinner.

Aftercare is simple. Keep the skin clean, apply daily sunscreen, stay hydrated and avoid intense heat such as saunas for a day or two if you feel tender. There are no activity restrictions for most people. The clinic’s doctor gives personalized aftercare advice and schedules any maintenance session at your follow-up.

Thermage FLX needs no downtime, so it fits a short visit. We recommend booking a consultation and treatment with a day’s flexibility for any mild swelling. Reberry Clinic offers English-speaking support and three Seoul-area locations, including one at Incheon Airport, convenient for arrival or departure.

Thermage FLX, Ultherapy Prime and Sofwave are all non-surgical tightening and lifting options that work at different skin depths — here is how they compare.

Thermage FLXUltherapy PrimeSofwave
Energy / mechanismMonopolar radiofrequency (RF), volumetric dermal heatingMicro-focused ultrasound (MFU-V), targets the SMASSUPERB synchronous ultrasound, mid-dermis ~1.5 mm
Best forOverall skin tightening, crepey texture, collagen laxityDeeper structural lifting of brow, jawline and neckFine lines and mild-to-moderate mid-face laxity, all skin tones
Pain / comfortWarm heating pulses with vibration; generally tolerableDeeper tingling at the SMAS; varies by areaMild warmth with built-in cooling; comfortable
DowntimeNone; mild redness for a few hoursNone to minimal; occasional short-lived swellingNone; transient redness
Results timelineGradual over 2-6 months as collagen remodelsGradual over 2-3 months, continuing toward ~6 monthsGradual over 6-12 weeks
LongevityAbout 1-2 years, varies with skin and ageAbout 1-2 yearsAbout 1 year
SessionsUsually 1 session, repeated periodicallyUsually 1 sessionOften 1 session
Google Reviews

What our patients say

Real verified reviews from our Google Business Profile, across all Reberry Clinic locations.

PULLED LIVE FROM GOOGLE · GANGNAM · MYEONGDONG · INCHEON AIRPORT

Our Doctors

Meet the Doctors Behind Reberry Clinic

Your treatment is planned and performed by experienced, MFDS-registered doctors across our Seoul-area clinics, with multilingual support for international patients.

Dr. Yoongon Ryu — Aesthetic Medicine Specialist, Reberry Clinic Gangnam
Gangnam

Dr. Yoongon Ryu

Aesthetic Medicine Specialist

Flagship clinic · KOL for leading lifting & regenerative devices

Dr. Seung Jae Baek — Medical Director, Reberry Clinic Myeongdong
Myeongdong

Dr. Seung Jae Baek

Medical Director

Multilingual tourist care beside Myeongdong Cathedral

Dr. Seongjun Cho — Aesthetic Medicine Specialist, Reberry Clinic Incheon Airport
Incheon Airport

Dr. Seongjun Cho

Aesthetic Medicine Specialist

Fast, effective care 20 minutes from the terminals

Experience Trusted Thermage Treatment in Korea — Same Price for Everyone

Schedule your consultation today and discover the difference Korean expertise makes.