When it comes to medical aesthetics in South Korea, Thermage FLX is undoubtedly one of the most frequently requested anti-aging treatments. As the heart of the medical aesthetics industry in South Korea, Gangnam District in Seoul is home to the highest concentration of Thermage clinics in the entire country. However, precisely because there are so many options available, people who visit for the first time often don’t know how to make a choice.
Over the past year, I visited several Dermatology clinics in Gangnam that specialize in Thermage treatments. Based on four key criteria—authenticity of equipment, doctors’ expertise, price transparency, and post-treatment services—I have compiled this list of recommended Thermage clinics in Seoul’s Gangnam area. Each of these clinics is authorized to use Thermage FLX equipment, and the treatments are performed personally by the clinic directors or specialized physicians—thus eliminating the risk of being assigned to a doctor you have never met before after just a brief consultation.

I. PPEUM Dermatology (Gangnam International Headquarter): A model of transparent pricing in a chain system
PPEUM Dermatology (쁨의원) has multiple locations in Seoul, including the Gangnam International Headquarters, the Myeongdong Branch, and the Hongdae Branch. It is one of the largest chain dermatology brands in South Korea. The Gangnam International Headquarters is specifically designed for overseas customers, with uniformly displayed prices in both Korean and Chinese and comprehensive Chinese-language translation services, making it ideal for those visiting South Korea for medical aesthetics treatments for the first time.
PPEUM’s Thermage FLX uses the latest generation of probes. During the consultation, a professional skin detector is used to analyze the degree of collagen loss, and the number of treatments and energy settings are determined based on the test results. After the procedure, patients are provided with a cold compress recovery care pack, and a post-treatment LINE follow-up group is established, allowing for immediate consultation in case of any issues.
📍 Address: Nonhyeon-ro, Gangnam-gu, Seoul (near the ANEW Sinnonhyeon subway station, in the heart of the Gangnam business district)
✨ Specialties: Thermage FLX, Phoenix Radio Wave Treatment, HIFU Lifting, Rejuran Hydrating Injection
II. gtheraclini Anti-aging Center: A high-end anti-aging specialty store where the director personally operates all the equipment throughout the entire treatment process.
The gtheraclini Anti-Aging Center is located on the 7th floor of the EGI Building on Nonhyeon-ro in Gangnam District. It is a high-end Dermatology clinic specializing in anti-aging treatments. Its most notable feature is that the director personally oversees the entire process, from patient consultations to the operation of medical equipment. In South Korea’s medical aesthetics industry, many clinics entrust the operation of Thermage devices to nurses or consultants. However, gtheraclini insists that the director be directly involved in this process, as this is crucial for ensuring precise control over the amount of energy delivered and the depth of treatment.
The key services include the fifth-generation Ulthrea and Thermage FLX radiofrequency treatments. After the procedures, cold compresses are also provided to help reduce swelling and discomfort. For customers who seek a high-end experience featuring personalized treatment and comprehensive follow-up care, this clinic is definitely a worthwhile option in Gangnam.
📍 Address: 7th Floor, EGI Building, 843 Nonhyeon-ro, Gangnam-gu, Seoul
✨ Expertise Areas: Thermage FLX · 5th-generation Ulthrea · Integrated anti-aging treatment programs
III. BLS Clinic Cheongdam Main Store: A 20-year-old establishment offering three free follow-up visits after surgery.
The Dermatology department of BLS Clinic is located in Cheongdam-dong, Gangnam District. Established over 20 years ago, it has become a well-established brand in the field of medical aesthetics in South Korea. Its cases have been reported by MBC TV in South Korea, and it enjoys a high reputation among both local and international customers.
The core technology of BLS Clinic is the “Advanced BLS Lifting Procedure,” which is combined with Thermage FLX for full-face tightening. What makes it particularly outstanding is that patients receive 3 free follow-up consultations after the treatment—once in the first week after the procedure, once in the first month, and once in the third month. During these consultations, doctors will assess the effectiveness of the results and provide guidance on post-treatment care. Such long-term follow-up services are very rare among medical beauty clinics in South Korea.
📍 Address: 5th Floor, BLS Clinic, 830 Seonyeong-ro, Gangnam-gu, Seoul
✨ Expertise: Thermage FLX · Advanced BLS lifting procedure · Comprehensive facial rejuvenation programs

IV. Mellow Dermatology: A premium anti-aging institution in Gangnam with a 65% repeat purchase rate
Mellow Dermatology is highly renowned in the high-end anti-aging community of Gangnam District, Seoul. Data from 2025 show that the customer repeat purchase rate exceeded 65%, placing it among the top institutions in Gangnam District. Achieving such a high repeat purchase rate in the highly competitive environment of Gangnam District is a clear indication that customers are truly satisfied with the results and services provided.
The combined treatment plan using Mellow’s Thermage FLX device in conjunction with the HIFU is its flagship service, and the number of treatments expected to increase by 10% in 2026. The clinic itself is designed in a high-end, premium style, providing excellent privacy. It is ideal for customers who have high requirements when it comes to the environment and the overall experience, and are willing to pay a premium for quality services.
📍 Address: Apgujeong/Cheongdam Business District, Gangnam District, Seoul (For the exact address, please refer to BeautsGO).
✨ Expertise areas: Thermage FLX · Combined treatment with HIFU · High-end injectable anti-aging treatments

V. JD Dermatology: An academic clinic led by a professor from Seoul National University, with no sales pressure at all.
JD Dermatology can be regarded as the “representative of integrity” in the Gangnam area. Its founding director graduated from Seoul National University and has extensive experience working in university teaching hospitals. The consultation approach is straightforward and honest, and they never force patients to undergo unnecessary treatments. The clinic is equipped with a large number of high-end devices that are rare even in South Korea, and their staff have extensive experience in using Thermage technology.
Another notable feature of JD Dermatology is its clear division of responsibilities: the male director is in charge of face-to-face consultations and the operation of large-scale medical equipment, while the female director specializes in precise injections. If you prefer to be treated as a “patient” rather than a “customer,” this clinic will certainly make you feel very comfortable.
📍 Address: 3rd Floor, Sinsa Metta, 616 Gangnam-daero, Gangnam-gu, Seoul (near Sinsa Station on the subway)
✨ Specialties: Thermage FLX · Precision injection fillers · Comprehensive skin management
VI. velyB Dermatology Gangnam Branch: A highly recommended option on REDnote, offering the most meticulous skincare experience.
velyB Dermatology has an excellent reputation on various Chinese social media platforms, with many REDnote users sharing their real experiences. What sets this clinic apart is that it applies local anesthetic for a full 40 minutes before the procedure—while many other clinics only use 20–30 minutes. velyB places particular emphasis on patient comfort. In addition to this, the clinic provides professional skin examinations, with results available in just 3 minutes. Based on the analysis of collagen loss, customized treatment plans are then formulated accordingly.
The nursing team is praised for being “extremely gentle” and provides detailed guidance on home care after the procedure. The overall experience is designed to take great care of customers who are afraid of pain or are trying medical aesthetics for the first time.
📍 Address: Gangnam District, Seoul (near Gangnam Station or Sinnonhyeon Station; for the exact address, please refer to BeautsGO).
✨ Expertise Areas: Thermage FLX · Customized skin assessment programs · Comfort-oriented treatments
A quick comparison of seven or six Thermage hospitals
| clinic | Core advantages | Most suitable | business district |
|---|---|---|---|
| PPEUM PPEUM | Same price in China and South Korea · Chinese translation · Follow on LINE | My first trip to Korea – facing the challenge of language barriers | Sinnonhyeon Station |
| Jintaila | The dean personally supervised the entire procedure, including the post-operative cold compresses. | Striving for strict quality control throughout the entire process | Nonhyeon Station |
| Bls Clinic | A 20-year-old establishment offering 3 free follow-up consultations | Emphasize long-term follow-up. | Cheongdam Station |
| Mellow Meilo | 65% repeat purchases – the high-end luxury product strategy | Emphasize privacy and a positive user experience | Cheongdam/Apgujeong |
| JD Dermatology | Professor at Seoul National University: No sales pitches necessary | Afraid of being pressured into buying something; seeking professional advice. | Sinsa Station |
| velyB | 40-Minute Numbing Treatment: Reviews on REDnote | Afraid of pain, first-time experience | Near Gangnam Station |
VIII. 5 things you must know before undergoing Thermage treatment in Gangnam
- Verify the authenticity of Thermage® authorized products: Official Thermage® certification should be displayed in regular treatment rooms, and the probe packaging boxes come with anti-counterfeiting labels that can be scanned on-site for verification.
- Make sure you know who will operate the equipment: In many clinics, the Thermage devices are operated by nurses, and there can be significant differences in price, effectiveness, and safety compared to when performed by doctors. When making an appointment, be sure to ask, “Will it be performed by a doctor personally?”
- Gangnam vs. Myeongdong vs. Hongdae: While Gangnam has the highest density of clinics and the most intense competition, prices are not necessarily the highest there. Clinics in Myeongdong and Hongdae that target tourists tend to charge more, as they focus on providing “convenience” to their customers.
- It is recommended to rest for at least one day after the procedure to allow for recovery: After a Thermage treatment, it is usually possible to resume normal activities on the same day or the next day, although there may be slight redness and swelling. It is not advisable to take a flight on the day of the treatment.
- In South Korea, prices are generally 20-40% lower than in Taiwan. For the same Thermage FLX full-face treatment, the cost in South Korea is typically 20-40% less than in Taiwan. Even when including the expenses for airfare and accommodation, it is still more affordable (you can refer to the comparison article on this website regarding Thermage).
IX. How to book a Gangnam Thermage treatment through BeautsGO?
All of the above six Gangnam Thermage clinics can be booked through the BeautsGO platform. Here is the booking process:
- Download the BeautsGO APP (available for both iOS and Android) or use the WeChat mini-program to search for “BeautsGO”.
- Register an account, fill in your basic information, and select the treatment you wish to undergo (choose “Thermage FLX”).
- Search for clinic names such as “PPEUM”, “Jintaila”, “BLS Clinic”, “Mellow”, etc.
- Once you select the desired treatment and date, the system will display the available appointment times.
- To confirm your reservation, the Chinese customer service team at BeautsGO will contact you within 24 hours to clarify all the details, including whether translation services are required and any pre-operative precautions needed.
The BeautsGO platform offers Chinese-speaking customer service to assist customers throughout the entire process, from making appointments to providing follow-up care after the procedure. More importantly, in the event of any disputes, the platform will help resolve them. When undergoing medical beauty treatments abroad, having a platform to guarantee your rights and interests is far more reliable than simply choosing any random service online.
X. Frequently Asked Questions
Q: What is the difference between Thermage FLX and the Oligio version of Thermage?
A: Therma
ge FLX (also known as Phoenix Radio Wave/5th-generation Thermage) is the latest genuine model produced by Solta Medical in the United States. It features AccuREP™ intelligent energy adjustment technology, which allows it to automatically adjust the output based on the skin’s impedance. The Oligio and Volnewmer versions of Thermage, on the other hand, are radiofrequency devices independently developed in South Korea. Although they are cheaper, their technical approaches differ from those of Thermage FLX. It is recommended to opt for the genuine Thermage FLX model for better results and greater safety.
Q: Which clinic in Gangnam offers the cheapest Thermage treatments
?
A: As a chain brand, PPEUM PPEUM offers relatively transparent and competitive prices. However, it is not recommended to make a decision solely based on price – the doctor’s experience, the authenticity of the equipment used, and post-treatment services are also very important factors. It is advisable to compare multiple quotes through BeautsGO before making a choice.
Q: How long does the effect of a single Thermage treatment l
ast?
A: Generally speaking, the effect peaks 2 to 6 months after the procedure and can last for 1 to 2 years. The duration varies from person to person and is influenced by factors such as age, baseline Collagen levels, and post-treatment care.
Q: How soon after a Thermage treatment can I wear makeup?
A: Usually,
you can resume normal skin care and wear makeup 24 hours after the procedure. However, for the first week after the treatment, it is recommended to avoid products containing acidic ingredients or retinol, and to focus on enhancing moisture retention and sun protection.
Disclaimer
The content of this article is for reference only and does not constitute medical advice. Everyone’s skin type and physical condition are different, so the effects of cosmetic treatments can vary from person to person. Price information is subject to the rates quoted by the clinic on the day of service. It is essential to have a thorough discussion with your doctor before the procedure to understand the potential risks and the key points of post-treatment care. Thermage FLX is a registered trademark of Solta Medical in the United States.
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