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Dual-Frequency Monopolar RF · Developed in Korea · FDA-Cleared 2025

XERF vs Thermage FLX Myeongdong Seoul Korea Dual-Frequency vs Single-Frequency Monopolar RF — Matched to Your Anatomy, Not a Menu

From ₩890,000 (about $636)

XERF uses 6.78MHz + 2MHz dual-frequency RF with four interchangeable effectors to contour the jawline, cheeks, and under-chin precisely — developed in Korea, FDA-cleared 2025, no downtime required after treatment.

Dual-Frequency Monopolar RF · Developed in Korea · FDA-Cleared 2025

XERF

XERF Lifting · Myeongdong Seoul

From ₩890,000 (about $636)

XERF uses 6.78MHz + 2MHz dual-frequency RF with four interchangeable effectors to contour the jawline, cheeks, and under-chin precisely — developed in Korea, FDA-cleared 2025, no downtime required after treatment.

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Quick Answer

XERF vs Thermage FLX in Myeongdong Seoul Korea — What Is the Difference in 2026?

Both are monopolar RF tightening treatments offered at RE:BERRY Clinic Myeongdong — XERF uses dual-frequency output (6.78MHz + 2MHz) with 3 selectable depth layers reaching the SMAS, while Thermage FLX uses the established single-frequency 6.78MHz protocol with tip-defined depth. Neither is universally superior; device choice follows your tissue assessment, with pricing confirmed at consultation, 2 minutes from Myeongdong Station.

The XERF vs Thermage FLX Myeongdong Seoul Korea question comes up in nearly every RF lifting consultation at RE:BERRY Clinic Myeongdong in 2026 — and the honest answer is that these are two different engineering approaches to the same goal, not a ranking. Both devices deliver monopolar radiofrequency: an alternating current passes through tissue between the handpiece electrode and a return pad, producing volumetric heat that contracts existing collagen immediately and stimulates new collagen synthesis over 1-3 months. Neither uses ultrasound, microwaves, or light energy — this is an RF-vs-RF comparison within one energy category. Where they diverge is depth strategy. XERF, developed by Cynosure Lutronic in Korea, MFDS-cleared in January 2024 and FDA-cleared in August 2025, emits two frequencies — 6.78MHz for shallow-to-middle dermal heating and 2MHz for middle-to-deep delivery reaching the SMAS layer — with 3 programmable depth modes (Shallow, Middle, Deep), a patented spider-pattern electrode, Wave Fit variable pulses, real-time impedance feedback, and ICD (Integrated Cryogen Delivery) surface cooling. Thermage FLX, the long-established single-frequency 6.78MHz monopolar RF platform, defines treatment depth through tip selection, verifies energy delivery with its AccuREP calibration system, and manages comfort with integrated cooling plus vibration. In the XERF vs Thermage FLX Myeongdong Seoul Korea decision, XERF offers software-selectable depth layering within one session, while Thermage FLX offers a protocol validated by two decades of published monopolar RF outcomes data. RE:BERRY Clinic Myeongdong operates both platforms in-house, so the recommendation you receive is anatomy-driven rather than inventory-driven. During a 60-90 minute consultation, Aesthetic Medicine Specialist Dr. Seung-Jae Baek (Lic. 143338) maps laxity across 5 facial zones and matches the device — or a staged combination — to your tissue. Full protocol details for the newer device are on the XERF lifting Myeongdong Seoul Korea page, and session configurations (300-shot and 600-shot XERF options) with consultation-confirmed pricing are outlined on the XERF price Myeongdong Seoul Korea page. Both paths in the XERF vs Thermage FLX Myeongdong Seoul Korea comparison are non-invasive, needle-free, and carry no downtime — same-day return to Myeongdong shopping or an evening flight is routine.

Effects & Progress

Effects & Progress

Dual-frequency RF (6.78MHz + 2MHz) allows precise depth selection from surface to SMAS — a single session addresses multiple tissue layers simultaneously.

TimelineWhat to Expect
Right after

Mild redness and a sensation of warmth at the treated area immediately after. This typically resolves within a few hours. Skin may feel slightly firmer from the first session.

After 2 weeks

Redness has resolved. Early firming is consolidating. This is the period before collagen remodeling reaches its peak, typically 4–6 weeks after treatment.

After 1–3 months

Collagen and elastin remodeling peaks at 1–3 months. Jawline definition, skin texture, and overall contour improvements become more visible. Response varies by individual.

6–12 months

Maintenance period. Based on your response, RE:BERRY will advise on the optimal repeat interval to sustain results — typically in line with your skin's natural remodeling cycle.

Before & After

XERF Lifting Results at RE:BERRY Myeongdong

Thermage FLX before and after at RE:BERRY Clinic Myeongdong — individual results may vary
Thermage FLX · RE:BERRY Myeongdong
· Myeongdong
Thermage FLX before and after at RE:BERRY Clinic Myeongdong — individual results may vary
Thermage FLX · RE:BERRY Myeongdong
· Myeongdong
Thermage FLX before and after at RE:BERRY Clinic Myeongdong — individual results may vary
Thermage FLX · RE:BERRY Myeongdong
· Myeongdong
Thermage FLX before and after at RE:BERRY Clinic Myeongdong — individual results may vary
Thermage FLX · RE:BERRY Myeongdong
· Myeongdong

※ Photos are published with the patient’s consent and show the same person before and after treatment. Timing and conditions are as stated; images are unretouched. Side effects such as swelling, bruising, or pain may occur after treatment. Individual results may vary.

Treatment Process

XERF Lifting — 4 Steps from Consultation to Aftercare

※ Illustrative images are AI-generated to help explain the treatment process.
STEP 1

STEP 1. 1:1 Personal Consultation

Your physician assesses your skin laxity and target zones — jawline, cheeks, or under-chin — then selects the right effector tip and energy level for your anatomy.

STEP 2

STEP 2. Cleansing & Numbing Cream

After cleansing, numbing cream rests for 20–30 minutes. The sealed product label is confirmed with you before opening.

STEP 3

STEP 3. Precision Dermal Injection

XERF delivers 6.78MHz + 2MHz dual-frequency RF through spider-pattern electrodes, reaching the SMAS layer. Real-time impedance feedback ensures uniform energy across the treatment area.

STEP 4

STEP 4. Soothing Care & Aftercare Guide

Immediate skin firming is noticeable. Progressive collagen remodeling continues over 1–3 months. Avoid alcohol, vigorous exercise, and sauna for one week.

Effects & Progress

Effects & Progress

Dual-Frequency RF Depth Control

By combining 6.78MHz (shallower penetration) and 2MHz (deeper penetration) monopolar RF, XERF selects the optimal depth per facial zone in a single session. Energy reaches the SMAS layer for structural lifting while simultaneously stimulating dermal collagen — developed in Korea, FDA-cleared in the US in 2025.

Fine Lines & Pores

The patent-pending spider-pattern electrode design distributes RF current uniformly rather than concentrating it at contact points. Combined with real-time impedance feedback, this maintains consistent energy delivery across curved and irregular facial surfaces, supporting even collagen remodeling throughout the treatment zone.

Texture & Glow

The XERF effector system includes four tip sizes: 05 (5×10mm, narrow zones and delicate areas), 10 (10×10mm, curved contours), 40 (20×20mm, mid-face coverage), and 60 (20×30mm, broad areas, up to 600 shots). The physician selects tips per zone within a single session, adapting energy and coverage to your anatomy.

Instant Tightening & Remodeling

XERF combines two mechanisms: immediate tissue contraction from RF heat (visible firming at session end) and progressive collagen remodeling that develops over 1–3 months as fibroblasts produce new collagen and elastin. The ICD integrated cryogen cooling protects the epidermis throughout. No injections, no incisions, and no required recovery time.

Timeline
What to Expect
Right after
Mild redness and a sensation of warmth at the treated area immediately after. This typically resolves within a few hours. Skin may feel slightly firmer from the first session.
After 2 weeks
Redness has resolved. Early firming is consolidating. This is the period before collagen remodeling reaches its peak, typically 4–6 weeks after treatment.
After 1–3 months
Collagen and elastin remodeling peaks at 1–3 months. Jawline definition, skin texture, and overall contour improvements become more visible. Response varies by individual.
6–12 months
Maintenance period. Based on your response, RE:BERRY will advise on the optimal repeat interval to sustain results — typically in line with your skin's natural remodeling cycle.

Before & After

XERF Lifting Results at RE:BERRY Myeongdong

Thermage FLX before and after at RE:BERRY Clinic Myeongdong — individual results may vary
XERF Lifting · RE:BERRY Myeongdong
Thermage FLX before and after at RE:BERRY Clinic Myeongdong — individual results may vary
XERF Lifting · RE:BERRY Myeongdong
Thermage FLX before and after at RE:BERRY Clinic Myeongdong — individual results may vary
XERF Lifting · RE:BERRY Myeongdong
Thermage FLX before and after at RE:BERRY Clinic Myeongdong — individual results may vary
XERF Lifting · RE:BERRY Myeongdong

※ Photos are published with the patient's consent and show the same person before and after treatment. Timing and conditions are as stated; images are unretouched. Side effects such as swelling, bruising, or pain may occur after treatment. Individual results may vary.

Treatment Process

XERF Lifting — 4 Steps from Consultation to Aftercare

※ Illustrative images are AI-generated to help explain the treatment process.
STEP 1. 1:1 Personal Consultation
STEP 1. 1:1 Personal Consultation

Your physician evaluates skin laxity, tissue depth, and facial contour goals. We discuss the target zones (jawline, cheeks, under-chin, brow) and select the appropriate XERF effector tip — 05, 10, 40, or 60 — along with depth setting (Shallow / Middle / Deep) and energy level (1–10). Previous RF or lifting treatments are reviewed to optimize protocol.

STEP 2. Cleansing & Numbing Cream
STEP 2. Cleansing & Numbing Cream

After cleansing, numbing cream may be applied to sensitive zones — XERF's ICD integrated cryogen cooling and Wave Fit variable pulse are designed to allow comfortable treatment, though numbing cream is available on request. The treatment area is marked and the device is calibrated.

STEP 3. Precision Dermal Injection
STEP 3. Precision Dermal Injection

The XERF handpiece glides across the skin, delivering dual-frequency monopolar RF energy through the patent-pending spider-pattern electrode for uniform coverage. Depth is selected per zone: Shallow for fine lines and pore refinement, Middle for dermal remodeling, Deep for SMAS-level structural tightening. The session typically takes 15–30 minutes.

STEP 4. Soothing Care & Aftercare Guide
STEP 4. Soothing Care & Aftercare Guide

A cooling pack and regeneration cream soothe the skin right after treatment. Embossing and mild bruising may last 2–5 days; avoid sauna, alcohol, and intense exercise on the day. We recommend 3 sessions at 3–4 week intervals, then maintenance every 6–12 months.

Benefits & Results

XERF vs Thermage FLX Myeongdong Seoul Korea — What Each Platform Brings

  • XERF: dual-frequency output (6.78MHz + 2MHz) with 3 selectable depth layers — the 2MHz channel reaches the SMAS plane, allowing depth re-programming zone by zone within one XERF vs Thermage FLX Myeongdong Seoul Korea session
  • Thermage FLX: single-frequency 6.78MHz monopolar RF with AccuREP energy verification and a low-energy multi-pass algorithm validated in a 5,700-patient published survey (Dover 2007) — the deepest evidence base in monopolar RF
  • Both devices at RE:BERRY Myeongdong are genuine, registered units — XERF MFDS-cleared 2024 and FDA-cleared 2025, installed in 2,000+ clinics worldwide as of June 2026; Thermage FLX with verifiable tip serials
  • Comfort engineering differs, not quality: XERF pairs ICD cryogen cooling with Wave Fit variable pulses and impedance feedback; Thermage FLX pairs integrated cooling with vibration — both designed for treatment without injections
  • 0 days downtime on either path — 15-30 minute XERF sessions or a Thermage FLX full-face pass protocol, then same-day return to Myeongdong shopping, work, or an evening flight from Incheon
  • One Aesthetic Medicine Specialist (Dr. Seung-Jae Baek, Lic. 143338) performs consultation, treatment, and 4-week follow-up for both devices — KHIDI 2025 reports 41.4% of Japanese patients rank same-doctor continuity as their #1 clinic-selection factor
  • K-origin access: XERF was developed in Korea and launched in Korea in May 2024 before its 2025 North American rollout — Myeongdong patients treat in the technology's home market, at Korean pricing confirmed in consultation
TimelineWhat to Expect
60-90 minute consultation, device matching, then 15-30 minutes of XERF dual-frequency delivery or the Thermage FLX 600-shot pass protocol. Immediate collagen fiber contraction is visible with both. Mild warmth and transient flush resolve in 1-2 hours — 91% of patients resume normal activities the same day in the XERF vs Thermage FLX Myeongdong Seoul Korea program.
Cosmetics and normal routines from day 1 for both devices. Avoid alcohol, intense exercise, saunas, and hot baths for 1 week per RE:BERRY written aftercare. No wound care exists on either XERF vs Thermage FLX Myeongdong Seoul Korea path because no skin barrier is broken — monopolar RF is non-ablative.
Dermal fibroblasts respond to the controlled thermal stimulus with early-phase collagen synthesis at the depths each device heated — dermal layers for the 6.78MHz channel, SMAS-adjacent tissue where XERF's 2MHz mode was applied. The 4-week WhatsApp photo review compares against baseline 5-angle photography for every XERF vs Thermage FLX Myeongdong Seoul Korea patient.
New collagen and elastin integrate into the dermal matrix — this is when the full lifting response of either device becomes visible. Histology of monopolar RF-treated tissue shows measurable dermal collagen density increases at 90 days, the shared biological endpoint of the XERF vs Thermage FLX Myeongdong Seoul Korea comparison.
Monopolar RF tightening results are typically sustained through 6-12 months with individual variation — no permanence claims apply to either platform. Maintenance timing, or alternating devices across sessions for different depth emphasis, is planned individually with Dr. Baek at the follow-up review.
Comparison

XERF vs Thermage FLX Myeongdong Seoul Korea — Side-by-Side, No Winner Declared

FeatureXERF (RE:BERRY Myeongdong)Thermage FLX (RE:BERRY Myeongdong)Source
Energy CategoryMonopolar RF — dual frequency 6.78MHz + 2MHzMonopolar RF — single frequency 6.78MHzMFDS / FDA device clearances
Depth Strategy3 software-selectable layers (Shallow / Middle / Deep) — 2MHz channel reaches the SMAS planeDepth defined by tip selection; volumetric dermal heatingManufacturer specifications
Energy Control10 energy levels + Wave Fit variable pulse + real-time impedance feedbackAccuREP automatic energy calibration at each placementManufacturer specifications
Surface Cooling & ComfortICD integrated cryogen cooling; designed for comfortable treatment, topical numbing optionalIntegrated cooling + vibration handpieceManufacturer specifications
Tip SystemEFFECTOR 05 / 10 / 40 / 60 + next-gen i05/i10; spider-pattern electrode (patent pending); large tips run 600 shotsDedicated eye, face, and body tips with verifiable serialsManufacturer specifications
Evidence BaseNewer platform (Korea launch May 2024) — leans on the broader monopolar RF literature while device-specific data accumulatesTwo decades of published monopolar RF outcomes, including a 5,700-patient multi-pass survey (Dover 2007)Peer-reviewed literature
Regulatory Timeline & OriginDeveloped in Korea; MFDS-cleared Jan 2024, Korea launch May 2024, FDA-cleared Aug 2025, 2,000+ installs worldwide (Jun 2026)US-origin platform, FDA-established, in worldwide clinical use for yearsManufacturer PR 2026; FDA records
Session Pricing at RE:BERRY300-shot and 600-shot configurations — confirmed at consultation, VAT terms explained in writing600-shot full-face protocol — confirmed at consultation, VAT terms explained in writingRE:BERRY verified

Why This Matters

The XERF vs Thermage FLX Myeongdong Seoul Korea comparison is generational, not hierarchical — XERF adds a second frequency (2MHz) for depth-selective SMAS-plane heating, while Thermage FLX carries the largest published outcomes record in monopolar RF, including the 5,700-treatment Dover 2007 survey. RE:BERRY Myeongdong runs both as genuine registered units, so the consultation weighs new depth flexibility against established protocol data for your specific anatomy. Source: FDA/MFDS records; peer-reviewed literature.

Doctor continuity affects monopolar RF outcomes because energy titration is judgment-driven on both devices. KHIDI's 2025 Medical Tourism Survey found 41.4% of Japanese patients rank 'same doctor throughout treatment' as their #1 priority when choosing a Korean clinic. At RE:BERRY Myeongdong, the same Aesthetic Medicine Specialist handles the XERF vs Thermage FLX Myeongdong Seoul Korea consultation, delivery, and 4-week follow-up — no rotation between the two device rooms.

Korea's average outpatient consultation is 4.3 minutes — the OECD's shortest (16.4-minute average). RE:BERRY's 60-90 minute XERF vs Thermage FLX Myeongdong Seoul Korea consultation runs 15-20x that national average, which is what makes honest device matching possible: depth mapping across 5 facial zones takes longer than a walk-in clinic's entire appointment. Source: OECD Health Statistics 2023.

Sources: KHIDI 2025 Medical Tourism Survey; OECD Health Statistics 2023; FDA / MFDS device clearance records; Cynosure Lutronic manufacturer specifications and PR (2026); Dover et al. Dermatol Surg 2007; RE:BERRY clinic records (verified).
Best for: Laxity at multiple depths (jawline + jowls + submental) in one face
Discuss XERF first
Dual-frequency mode switching lets one session assign Shallow, Middle, or Deep heating per zone — the 2MHz channel reaches SMAS-adjacent tissue that single-frequency dermal heating addresses less directly. Final call follows the 60-90 minute mapping.
Best for: Patient who prioritizes the longest published track record
Discuss Thermage FLX first
Two decades of monopolar RF literature, including the 5,700-patient Dover 2007 multi-pass survey, sit behind the FLX protocol — a reasonable preference for evidence-weighted patients while XERF-specific data accumulates.
Best for: Returning RF patient planning maintenance across years
Alternating plan — either device per cycle
Because both are monopolar RF with different depth emphasis, some patients alternate platforms across maintenance sessions under one doctor's longitudinal photo record. Structured individually at follow-up — neither device is declared the winner in advance.
Best for: First-time RF patient, undecided between the two
Book the mapping consultation, not a device
RE:BERRY Myeongdong stocks both platforms, so nothing forces a pre-decision. The 60-90 minute consultation, 5-zone laxity mapping, and written quote let the anatomy — not marketing — settle the XERF vs Thermage FLX Myeongdong Seoul Korea question.
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Pricing

XERF vs Thermage FLX Myeongdong Seoul Korea — Session Options at RE:BERRY

Consultation-based, quoted at your free consultation
From ₩890,000 (about $636)
Get Your Personalized Quote
Your Doctors

Your XERF vs Thermage FLX Myeongdong Seoul Korea Specialist

Dr. Seung-Jae Baek

Dr. Seung-Jae Baek

Head Director / Aesthetic Medicine Specialist
"When a clinic owns only one RF platform, every consultation ends with the same recommendation. Because we operate both XERF and Thermage FLX at Myeongdong, I can let the tissue decide — dual-frequency depth layering when laxity spans multiple planes, the established single-frequency protocol when the published multi-pass algorithm fits the case. The 60-90 minutes we spend mapping before quoting is what makes that honesty possible."
  • Head Director, RE:BERRY Clinic Myeongdong
  • Aesthetic Medicine Specialist — Korean Ministry of Health and Welfare Medical License No. 143338
  • Juvelook Certified Meister & Speaker (HansBiomed)
  • Member, Korean Academy of Aesthetic Medicine
  • Member, Korean Filler Education and Research Academy (KFERA)
  • KHIDI Foreign Patient Attraction Registration M-2025-01-08-8519

Medically reviewed by Dr. Seung-Jae Baek, Head Director / Aesthetic Medicine Specialist, RE:BERRY

Clinical Science

The Science Behind XERF vs Thermage FLX Myeongdong Seoul Korea

Shared Mechanism: Monopolar RF Volumetric Heating

Both sides of the XERF vs Thermage FLX Myeongdong Seoul Korea comparison rely on the same biophysics: monopolar radiofrequency current passes from the handpiece electrode through tissue toward a return pad, and tissue resistance converts electrical energy to heat. Collagen fibrils heated into the 60-70°C range undergo immediate triple-helix contraction — the visible day-of tightening — while sub-denaturation heating of surrounding tissue triggers fibroblast activation. Controlled human biopsy work has documented measurable dermal collagen density increases at 90 days after monopolar RF, and a 2011 evidence-based review (el-Domyati) confirmed dermal remodeling with increased collagen types I and III following radiofrequency facial treatment. This shared endpoint is why the XERF vs Thermage FLX Myeongdong Seoul Korea decision turns on depth strategy and protocol style rather than on mechanism.

Where They Differ: Frequency-Dependent Depth Physics

Tissue electrical impedance is frequency-dependent — lower frequencies penetrate deeper at equivalent power because impedance falls with depth-relevant tissue composition. Thermage FLX applies a single 6.78MHz frequency and steers depth through tip architecture and its AccuREP system, which recalibrates energy at each of the placements in a 600-shot full-face session. XERF adds a 2MHz channel to the same 6.78MHz baseline, giving 3 selectable heating layers (Shallow, Middle, Deep) so that SMAS-plane delivery and superficial dermal tightening can be assigned zone by zone within one 15-30 minute session. The multi-source radiofrequency concept has Korean clinical support: a 12-week prospective Korean study (Suh 2017, n=15 evaluable protocol) reported objective skin-tightening improvement with a multi-frequency RF system in Korean patients — directly relevant to the Asian skin phototypes III-V that dominate XERF vs Thermage FLX Myeongdong Seoul Korea consultations.

Protocol Evidence: Multi-Pass Low Energy vs Adaptive Pulse Control

Thermage FLX inherits the strongest protocol dataset in monopolar RF. A 14-physician consensus survey of 5,700 monopolar RF treatments (Dover 2007) established the low-energy, multiple-pass technique as the modern standard, reporting 87% of physicians observed immediate tightening and 92% observed tightening at 6 months under the revised algorithm. Ultrastructural work (Kist 2006) demonstrated that multiple low-energy passes produce collagen changes at 3 tissue depths comparable to or exceeding single high-energy passes, with better tolerability. XERF's engineering answers the same tolerability problem differently — Wave Fit variable pulses modulate delivery against real-time impedance feedback while ICD cryogen cooling holds the epidermal surface temperature down during deep heating. In the XERF vs Thermage FLX Myeongdong Seoul Korea comparison, one platform validates comfort and efficacy through decades of accumulated protocol literature, the other through adaptive hardware control — both non-ablative, both needle-free.

Safety Profile Across Skin Types

Monopolar RF does not target melanin, which is why the modality's safety record spans Fitzpatrick skin types I-VI — a decisive point for the Asian phototype III-V patients who make up most XERF vs Thermage FLX Myeongdong Seoul Korea cases at RE:BERRY. A prospective multicenter fractional-RF trial (Alexiades-Armenakas 2013, n=100 treatment sites) reported laxity improvement in the majority of treated patients with no serious adverse events, consistent with the broader RF literature. On both devices at RE:BERRY Myeongdong, surface cooling systems keep epidermal temperature controlled during delivery, and Dr. Baek screens contraindications — implanted electronic devices, pregnancy, active skin infection — during the 60-90 minute consultation before either platform is scheduled.

Peer-Reviewed Citations

Dover JS, Zelickson B; 14-Physician Multispecialty Consensus Panel. Results of a survey of 5,700 patient monopolar radiofrequency facial skin tightening treatments: assessment of a low-energy multiple-pass technique leading to a clinical end point algorithm. Dermatol Surg. 2007;33(8):900-907. doi:10.1111/j.1524-4725.2007.33189.x

Kist D, Burns AJ, Sanner R, Counters J, Zelickson BD. Ultrastructural evaluation of multiple pass low energy versus single pass high energy radio-frequency treatment. Lasers Surg Med. 2006;38(2):150-154. doi:10.1002/lsm.20303

el-Domyati M, el-Ammawi TS, Medhat W, Moawad O, Brennan D, Mahoney MG, Uitto J. Radiofrequency facial rejuvenation: evidence-based effect. J Am Acad Dermatol. 2011;64(3):524-535. doi:10.1016/j.jaad.2010.06.045

Suh DH, Byun EJ, Kim JE, Lee SJ, Ryu HJ. Comparative study of the effects of a new multi-source radiofrequency system on skin tightening: a 12-week follow-up study. J Korean Med Sci. 2017;32(3):510-516. doi:10.3346/jkms.2017.32.3.510

Alexiades-Armenakas M, Newman J, Willey A, Kilmer S, Goldberg D, Garden J, et al. Prospective multicenter clinical trial of a minimally invasive temperature-controlled bipolar fractional radiofrequency system for rhytid and laxity treatment. Dermatol Surg. 2013;39(2):263-273. doi:10.1111/dsu.12065

Common Questions

XERF vs Thermage FLX Myeongdong Seoul Korea — Frequently Asked Questions

Who performs XERF and Thermage FLX treatments at RE:BERRY Clinic Myeongdong?

Dr. Seung-Jae Baek (Korean Ministry of Health and Welfare Medical License No. 143338), Head Director and Aesthetic Medicine Specialist, performs the XERF vs Thermage FLX Myeongdong Seoul Korea consultation, device delivery, and follow-up on both platforms. RE:BERRY Clinic Myeongdong holds KHIDI foreign-patient registration M-2025-01-08-8519 and operates 365 days per year, 2 minutes from Myeongdong Station Line 4 Exit 8.

Is the same doctor assigned across my whole XERF or Thermage FLX process?

Yes — RE:BERRY Myeongdong uses a same-doctor model for both RF platforms: one Aesthetic Medicine Specialist handles your 60-90 minute mapping consultation, the treatment itself, and the 4-week WhatsApp photo review. KHIDI's 2025 survey found 41.4% of Japanese patients rank same-doctor continuity as their #1 factor when choosing a Korean clinic, well ahead of the 7.2% who rank price first.

How much does XERF vs Thermage FLX cost in Myeongdong Seoul Korea in 2026?

Pricing for both devices at RE:BERRY Myeongdong is confirmed at consultation with a written quote — XERF is offered in 300-shot and 600-shot configurations and Thermage FLX as a 600-shot full-face protocol. For market context, Korean aesthetic procedures cost 40-70% less than the US and 30-50% less than Japan on the same cleared devices (KHIDI 2025).

OptionConfigurationPricing
XERF300 or 600 shotsConsultation required
Thermage FLX600 shots full faceConsultation required
Current session details are maintained on the XERF price Myeongdong Seoul Korea page.

Is monopolar RF cheaper in Korea than in the US or Japan?

Yes — Korean clinics price monopolar RF 40-70% less than comparable US sessions and 30-50% less than Japan while using the same FDA/MFDS-cleared hardware (KHIDI 2025, ASDS Annual Survey). Seoul's volume advantage is structural: Korea recorded 2,011,822 foreign patients in 2025 with dermatology taking a 62.9% share (MOHW 2026), and higher per-clinic volume lowers per-patient cost without changing the device or its clearance status.

Are there hidden fees in the XERF vs Thermage FLX quote at RE:BERRY?

No — the written quote issued after your 60-90 minute consultation covers consultation, mapping, treatment delivery, 5-angle photography, and the 4-week WhatsApp follow-up, with VAT terms stated explicitly in writing. No mid-session upselling occurs on either device, and no deposit is required to hold a booking slot at RE:BERRY Myeongdong.

What is the main technical difference between XERF and Thermage FLX?

Frequency count and depth control. Both are monopolar RF, but XERF emits 2 frequencies (6.78MHz + 2MHz) with 3 selectable depth layers reaching the SMAS plane, while Thermage FLX uses a single 6.78MHz frequency with depth set by tip choice and AccuREP energy verification.

FeatureXERFThermage FLX
Frequency6.78MHz + 2MHz dual6.78MHz single
Depth selection3 software layers incl. SMASTip-defined
CoolingICD cryogenCooling + vibration
Neither approach is declared superior — full XERF protocol detail is on the XERF lifting Myeongdong Seoul Korea page.

Can I combine or alternate XERF and Thermage FLX at RE:BERRY Myeongdong?

Alternating across maintenance cycles is an option some returning patients choose — both are monopolar RF with different depth emphasis, and RE:BERRY structures any staged plan individually from your longitudinal photo record rather than as a fixed package. Same-session stacking of the two devices is not a standard protocol; Dr. Baek advises case by case at the 60-90 minute consultation. Details on the FLX platform itself are on the Thermage FLX Myeongdong Seoul Korea page.

Why choose a boutique clinic over a franchise chain for the XERF vs Thermage FLX decision?

Because honest device matching needs consultation time. RE:BERRY Myeongdong runs 60-90 minute consultations versus the 15-30 minutes typical at franchise clinics, against Korea's 4.3-minute OECD-shortest national average.

FeatureRE:BERRY MyeongdongFranchise Clinic
Consultation60-90 min15-30 min
Doctor continuitySame doctor throughoutRotation common
Walk-inAppointment requiredOften available
The concessions are real: franchise chains offer more locations and walk-in flexibility.

Are the XERF and Thermage FLX units at RE:BERRY Myeongdong genuine?

Yes — the XERF unit is a registered Cynosure Lutronic device under Korea's MFDS 2024 clearance (FDA-cleared August 2025), and the Thermage FLX runs genuine tips with verifiable serial numbers shown on request. Authenticity documentation is part of RE:BERRY's standard intake for international patients — see genuine Thermage FLX Myeongdong Seoul Korea for how tip verification works.

Is there downtime after XERF or Thermage FLX, and can I fly the same day?

0 days downtime on both devices — mild warmth and transient flush resolve within 1-2 hours, no wound care, no swelling that affects cabin pressure. Same-evening flights from Incheon Airport (45-50 minutes from Myeongdong by AREX) are routine for RE:BERRY patients, which is part of why Seoul draws more RF medical tourists than most markets. The 1-week restriction covers saunas, hot baths, alcohol, and intense exercise — none of which apply mid-flight.

Are XERF and Thermage FLX safe for Asian skin and darker skin types?

Both are non-ablative monopolar RF, which does not target melanin — safety spans Fitzpatrick skin types I-VI, including the Asian phototypes III-V most common in Myeongdong patients. Surface cooling on both platforms (ICD cryogen on XERF; cooling plus vibration on Thermage FLX) protects the epidermis during deep heating, and Dr. Baek screens contraindications such as implanted electronic devices and pregnancy during the consultation before scheduling either device.

How many days should I plan in Seoul for a XERF vs Thermage FLX treatment?

1 day is sufficient for either device given the zero-downtime profile: morning consultation and treatment, afternoon Myeongdong shopping, evening flight if needed. Patients combining monopolar RF with a second modality — such as Sofwave HIFU Myeongdong or Revinas RF microneedling — should plan 2-3 days. RE:BERRY is 2 minutes from Myeongdong Station and 45-50 minutes from Incheon Airport by AREX.

How long do results last, and what follow-up do I get after returning home?

Monopolar RF tightening results typically sustain 6-12 months with individual variation on both platforms — collagen remodeling peaks at months 1-3 after the session. Every international patient receives a 4-week WhatsApp photo review by the same doctor who performed the treatment, with maintenance timing planned from your own photo record rather than a fixed calendar. No permanence claims apply to either device.

Why choose RE:BERRY Myeongdong specifically for the XERF vs Thermage FLX comparison?

Because both devices are in-house, the recommendation is anatomy-driven, not inventory-driven — clinics owning a single platform can only recommend what they have. Add the 60-90 minute mapping consultation (15-20x Korea's national average), KHIDI registration M-2025-01-08-8519, 8-language support, and Korean pricing 40-70% below comparable US sessions (KHIDI 2025). The full protocol behind the newer platform is documented on the XERF lifting Myeongdong Seoul Korea page.

What makes getting XERF in Korea different from getting it in the US?

Korea is the technology's home market — XERF was developed by Cynosure Lutronic in Korea, launched here in May 2024, and reached North America in June 2025 ahead of its August 2025 FDA clearance; international media including NewBeauty and TODAY have since featured it among 2026's most discussed skin-tightening treatments. Korean clinics therefore carry the longest hands-on familiarity with the platform, at pricing meaningfully lower than the US for the same cleared device — with 2,000+ installations worldwide as of June 2026.

Verified & Certified

Only Authentic, Brand-Certified Equipment

Every device at RE:BERRY is MFDS-certified and manufacturer-verified. We never use counterfeit or grey-market equipment.

Juvelook Official Certificate — RE:BERRY Clinic certified authentic equipment verification
Juvelook Official Certificate
HansBiomed
Juvelook Meister Certification — RE:BERRY Clinic certified authentic equipment verification
Juvelook Meister Certification
HansBiomed
Juvelook Speaker Certification — RE:BERRY Clinic certified authentic equipment verification
Juvelook Speaker Certification
HansBiomed
Soprano Titanium Certified Clinic — RE:BERRY Clinic certified authentic equipment verification
Soprano Titanium Certified Clinic
Alma Lasers
Exosome Therapy Certification — RE:BERRY Clinic certified authentic equipment verification
Exosome Therapy Certification
ExoCoBio
Korean Filler Education & Research Academy — RE:BERRY Clinic certified authentic equipment verification
Korean Filler Education & Research Academy
KFERA
Korean Obesity & Aesthetic Treatment — RE:BERRY Clinic certified authentic equipment verification
Korean Obesity & Aesthetic Treatment
KOAT
Advanced Stem Cell & Laser Society — RE:BERRY Clinic certified authentic equipment verification
Advanced Stem Cell & Laser Society
ASLS

Settle the XERF vs Thermage FLX Question at RE:BERRY Myeongdong

Book a XERF vs Thermage FLX Myeongdong Seoul Korea consultation at RE:BERRY Clinic — both monopolar RF platforms in-house, matched to your anatomy in a 60-90 minute mapping session by Aesthetic Medicine Specialist Dr. Seung-Jae Baek (Lic. 143338), with written quotes, same-doctor continuity, and 4-week WhatsApp follow-up for international patients. Open 365 days, 10:00 AM – 8:00 PM KST, 2 minutes from Myeongdong Station Line 4 Exit 8. This information is for educational purposes only and is not medical advice.

Numbers That Tell Our Story

Real procedures performed.

32,514 Cases
Pigmentation Treatments
9,827 Cases
Filler Procedures
28,315 Patients
Lifting Treatments

Brand-Authenticated Equipment & Training

Korean Academy of Laser, Dermatology and Trichology Korean Society for Stem Cell Research Korean Association of Aesthetic, Plastic and Laser Medicine Korean Obesity and Aesthetic Treatment Society

Our doctors are certified by Korea's top dermatological societies

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★★★★★

What our patients say

Real verified reviews from our Google Business Profile

★★★★★

I had a very good experience overall at Re:berry Clinic in Seoul.

The clinic itself is beautiful, modern, and very well maintained. Everything feels professional from the moment you arrive. The team speaks several languages, including English, Spanish, Korean, Japanese, and Chinese, which makes the experience very eas...

★★★★★

Today I went to my first skin clinic ever. I’ve had concerns about my chin area for a while and decided to get something done while I was in Seoul. The process was great, and everyone at the clinic eased my fears with their friendly and professional attitude. They have multiple staff members speaking English as well. T...

★★★★★

I had amazing experience in Reberry Clinic Myeongdong ~ The interior of clinic is very clean and beautifully designed in Korean traditional hanok style, which made the experience feel private and comfortable. The staff is foreigner friendly and can speaking English and Spanish languages~
The doctor was kind and detail...

★★★★★

I had the BEST EXPERIENCE I’ve ever had at an aesthetic clinic (I say this as a nurse working in the field!!) 🤩
From the very first minute, I felt genuinely welcomed. Every professional was incredibly kind, attentive, and highly professional. What truly stood out to me was the level of detail and care throughout the en...

★★★★★

This is my second time visiting this clinic, and as always, I never regret it. It has officially become my top choice for skin treatments.

I had the Onda lifting again, which I’ve tried before, and it’s always worth the money here. I also did LDM for 12 minutes, no shortcuts &, no rushing and u can really see the ...

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SCIENTIFIC EVIDENCE

Science Dual-frequency vs single-frequency monopolar RF — peer-reviewed references

The XERF vs Thermage FLX Myeongdong Seoul Korea comparison rests on shared monopolar RF science with divergent depth engineering. Single-frequency 6.78MHz monopolar RF carries two decades of published outcomes — including the 5,700-treatment Dover 2007 consensus survey that defined the low-energy multi-pass standard — while multi-frequency RF systems have Korean prospective data (Suh 2017) supporting objective tightening in Asian skin. Frequency-dependent impedance physics explains the design difference: lower frequencies penetrate deeper at equivalent power, which is the rationale for XERF's added 2MHz SMAS-depth channel alongside the common 6.78MHz baseline. RE:BERRY Clinic Myeongdong applies both platforms under one evidence-based protocol — 60-90 minute anatomical mapping, 5-angle photographic baselines, cooled non-ablative delivery, and 4-week photographic follow-up by the same licensed physician (Dr. Seung-Jae Baek, Lic. 143338).

  • Dover JS, Zelickson B; 14-Physician Multispecialty Consensus Panel. Results of a survey of 5,700 patient monopolar radiofrequency facial skin tightening treatments: assessment of a low-energy multiple-pass technique leading to a clinical end point algorithm. Dermatol Surg. 2007;33(8):900-907. doi:10.1111/j.1524-4725.2007.33189.x
  • Kist D, Burns AJ, Sanner R, Counters J, Zelickson BD. Ultrastructural evaluation of multiple pass low energy versus single pass high energy radio-frequency treatment. Lasers Surg Med. 2006;38(2):150-154. doi:10.1002/lsm.20303
  • el-Domyati M, el-Ammawi TS, Medhat W, Moawad O, Brennan D, Mahoney MG, Uitto J. Radiofrequency facial rejuvenation: evidence-based effect. J Am Acad Dermatol. 2011;64(3):524-535. doi:10.1016/j.jaad.2010.06.045
  • Suh DH, Byun EJ, Kim JE, Lee SJ, Ryu HJ. Comparative study of the effects of a new multi-source radiofrequency system on skin tightening: a 12-week follow-up study. J Korean Med Sci. 2017;32(3):510-516. doi:10.3346/jkms.2017.32.3.510
  • Alexiades-Armenakas M, Newman J, Willey A, Kilmer S, Goldberg D, Garden J, et al. Prospective multicenter clinical trial of a minimally invasive temperature-controlled bipolar fractional radiofrequency system for rhytid and laxity treatment. Dermatol Surg. 2013;39(2):263-273. doi:10.1111/dsu.12065

These references inform — but do not decide — the XERF vs Thermage FLX Myeongdong Seoul Korea recommendation for any individual patient. Device selection at RE:BERRY Clinic Myeongdong follows tissue mapping, contraindication screening, and patient goals established during the 60-90 minute consultation, with results monitored against 5-angle photographic baselines at the 4-week WhatsApp review.

How to Find RE:BERRY Myeongdong

2 minutes from Myeongdong Station Exit 8. Premium flagship space with an all-black entrance you can't miss.

RE:BERRY Clinic Myeongdong

5, Myeongdong 10-gil, Jung-gu, Seoul
서울시 중구 명동10길 5

Hours Mon–Fri 10:30 AM – 8:00 PM · Sat–Sun 10:30 AM – 7:00 PM
Phone +82-2-2088-7070
Nearest Station Myeongdong Station (Line 4) Exit 8 → 2 min walk

Also available at: Gangnam · Incheon Airport

MOHW Designated Foreign Patient Medical Institution · Reg. No. M-2025-01-08-8519