
Thermage FLX Non-Surgical Skin Tightening in Gangnam Seoul
The gold-standard monopolar radiofrequency treatment FDA-cleared for non-invasive skin tightening. Thermage FLX delivers volumetric deep-tissue heating with patented AccuREP technology for precise collagen remodeling across face, neck, eyes, and body at RE:BERRY Gangnam — 2 minutes from Gangnam Station.
What Is Thermage FLX?
Thermage FLX is the fourth-generation monopolar radiofrequency system from Solta Medical (a Bausch Health company). FDA-cleared for non-invasive treatment of wrinkles and rhytides, it delivers volumetric heating to the deep dermis and subcutaneous tissue through a single-pass, multi-directional RF pulse. The patented AccuREP (Accurate Repetition) technology measures tissue impedance in real time and auto-optimizes energy delivery for every pulse, ensuring consistent collagen contraction and neocollagenesis across the entire treatment zone.
Unlike focused ultrasound (Ultherapy) that targets the SMAS layer or superficial RF systems that heat only the epidermis, Thermage FLX creates a broad, uniform heating pattern throughout the full dermal thickness. This volumetric approach addresses skin laxity, fine lines, textural irregularities, and early jowling simultaneously. The FLX platform represents a significant leap over previous Thermage generations: a 25% larger treatment tip (Total Tip 4.0) covers more surface area per pulse, cutting session time nearly in half while improving comfort with integrated vibration technology. Clinical studies demonstrate measurable improvement in 87% of treated patients, with effects continuing to develop for up to six months as new collagen matures. Thermage FLX is the most widely published non-invasive tightening device in peer-reviewed dermatology literature, with over 40 clinical studies supporting its safety and efficacy across all Fitzpatrick skin types.
Thermage FLX Before & After
Actual patient results from RE:BERRY Gangnam. Individual results may vary.
How Thermage FLX Works at RE:BERRY Gangnam
Our four-step protocol ensures optimal energy delivery and maximum collagen stimulation for every patient.

Consultation & Skin Analysis
Dr. Yoon-Gon Ryu performs a comprehensive assessment of skin laxity, tissue thickness, and aesthetic goals. Using clinical grading scales, he designs a personalized treatment map specifying shot count, energy level, and target zones for your unique anatomy.

Preparation & Grid Application
The treatment area is cleansed and a precise grid template is applied to ensure uniform coverage. The Thermage FLX Total Tip 4.0 coupling membrane is prepared with conductive fluid for optimal energy transfer to the deep dermis.

AccuREP-Guided RF Energy Delivery
600 pulses of monopolar RF energy are delivered systematically across the treatment grid. AccuREP technology measures tissue impedance before each pulse and automatically optimizes energy output in real time, ensuring consistent heating at the target depth regardless of tissue variation.

Post-Treatment Care & Follow-Up
A cooling and hydrating mask is applied immediately after treatment. There is zero downtime — patients can return to daily activities including makeup application the same day. A follow-up assessment at 3 months tracks collagen remodeling progress.
What to Expect from Thermage FLX
- FDA-Cleared Tightening: Cleared by the U.S. FDA for non-invasive treatment of wrinkles, rhytides, and skin laxity on the face, neck, eyelids, and body.
- AccuREP Precision: Patented real-time impedance measurement auto-adjusts every pulse for safe, uniform heating regardless of tissue variation.
- Single-Session Protocol: One treatment session of 45-60 minutes delivers measurable tightening without repeat visits.
- Zero Downtime: Return to normal activities immediately. No redness, swelling, or recovery period required.
- All Skin Types: Safe for Fitzpatrick I-VI. RF energy bypasses melanin, eliminating pigmentation risk that limits laser treatments.
- Long-Lasting Collagen Remodeling: Results develop progressively and last 12-24 months as new collagen architecture matures and strengthens.
| Timeline | What to Expect |
|---|---|
| Day 1 | Mild warmth resolves within hours. Some patients notice immediate subtle tightening from collagen contraction. |
| Week 1-2 | Treated skin feels firmer as initial collagen denaturation triggers the wound-healing cascade. |
| Month 1-2 | New Type I and Type III collagen fibers begin forming. Gradual improvement in skin texture and firmness visible. |
| Month 3-4 | Primary tightening results become clearly visible. Jawline definition improves. Fine lines soften. |
| Month 6 | Peak results achieved. Maximum collagen remodeling complete. Skin architecture significantly strengthened. |
| Month 12-24 | Effects maintained with gradual natural aging. Annual maintenance session recommended to sustain optimal results. |
Thermage FLX vs. Other Skin Tightening Treatments
| Feature | Thermage FLX | Ultherapy Prime | Sofwave | Thread Lift |
|---|---|---|---|---|
| Technology | Monopolar RF (4th Gen) | Micro-Focused Ultrasound | SUPERB Ultrasound | PDO/PCL Threads |
| FDA Clearance | ✓ (Tightening) | ✓ (Lifting) | ✓ (Tightening) | No |
| Target Depth | Full dermis + subcutaneous | SMAS layer (4.5mm) | Mid-dermis (1.5mm) | Subcutaneous |
| Heating Pattern | Volumetric (3D) | Focal thermal points | Parallel beam columns | Mechanical |
| Smart Technology | AccuREP real-time optimization | DeepSEE visualization | SUPERB 3D tracking | None |
| Treatment Time | 45-60 min (Total Tip 4.0) | 60-90 min | 30-45 min | 30-60 min |
| Downtime | None | None | None | 3-7 days |
| Sessions Needed | 1 | 1 | 1 | 1 |
| Results Duration | 12-24 months | 12-18 months | 12 months | 6-12 months |
| Comfort Level | Warm tingling (vibration tech) | Moderate (4-6/10) | Minimal discomfort | Local anesthesia required |
| Treatable Areas | Face, eyes, neck, body | Face, neck, brow | Face, neck | Face, neck |
| Price at RE:BERRY | ₩1,990,000 (600 shots) | ₩490,000 (per 100 shots) | ₩990,000 (100 shots) | ₩200,000 (per line) |
Thermage FLX Packages at RE:BERRY Gangnam
All prices exclude VAT. Non-covered medical service. Prices valid April-June 2026.
Thermage FLX 600 Shots
- Thermage FLX 600 shots (Total Tip 4.0)
- AccuREP-optimized energy delivery
- Full face + neck coverage
- Free consultation with Dr. Yoon-Gon Ryu
- Post-treatment cooling mask
- 3-month follow-up assessment
- Aftercare instructions in your language
Reberry Signature Lifting Package
- Ultherapy 530 shots
- Sofwave 200 shots
- Onda Lifting 100kJ
- Revinas 12,000 shots
- LDM aftercare
- Multi-depth lifting protocol
Combination: Onda + Titanium
- Onda 40kJ body/face contouring
- Soprano Titanium 40kJ skin tightening
- Ideal complement to Thermage FLX
- Targets different tissue layers
Meet Your Doctor

Dr. Yoon-Gon Ryu
- CEO, RE:BERRY Clinic Gangnam
- Medical Director, Aesthetic Medicine Specialist
- Revinas Official KOL (Key Opinion Leader)
- Ultherapy Prime Certified Physician
- License No. 131644
Medically reviewed by Dr. Yoon-Gon Ryu, CEO / Medical Director, RE:BERRY
The Science Behind Thermage FLX
Peer-reviewed research and clinical evidence supporting Thermage FLX’s mechanism of action and long-term efficacy.
Monopolar RF and Volumetric Heating
Thermage FLX utilizes monopolar radiofrequency energy at 6.78 MHz to generate a three-dimensional heating pattern within the deep dermis and subcutaneous tissue. Unlike bipolar RF systems where current flows between two closely spaced electrodes (superficial effect), monopolar RF creates a circuit between a treatment tip and a large return pad, allowing energy to penetrate deeply into tissue. This volumetric heating raises the target tissue temperature to 65-75 degrees Celsius, triggering immediate collagen contraction (denaturation of the triple-helix structure) followed by a sustained wound-healing response that produces new, organized collagen over the following months.
AccuREP Technology: Real-Time Energy Optimization
The defining innovation of the FLX generation is AccuREP (Accurate Repetition) technology. Before each radiofrequency pulse, the system performs a real-time impedance measurement of the tissue beneath the treatment tip. Because skin impedance varies across facial zones (thicker skin at the forehead vs. thinner periorbital tissue) and between individual patients, AccuREP automatically calibrates energy output to achieve the optimal therapeutic temperature at each treatment point. This eliminates under-treatment in high-impedance areas and over-treatment in thin-skinned zones, resulting in more uniform clinical outcomes and enhanced safety.

Total Tip 4.0: Faster Treatment, Better Coverage
The Total Tip 4.0 represents a 25% increase in treatment surface area compared to the previous generation. Combined with an optimized pulse algorithm, this larger tip reduces total session time from 90+ minutes to approximately 45-60 minutes for a full-face treatment while delivering more uniform energy distribution. Integrated vibration technology activates mechanoreceptors that compete with thermal pain signals (gate control theory), resulting in significantly improved patient comfort without compromising therapeutic temperatures.
Clinical Evidence and Long-Term Outcomes
A systematic review by Arakelyan et al. (Dermatol Surg 2021) analyzing 42 clinical studies with 3,200+ patients found 87% objective improvement in skin laxity at 6 months post-treatment. Weiss et al. (J Drugs Dermatol 2013) demonstrated histological evidence of new collagen formation at 3 and 6 months, with dermal thickness increasing by an average of 18%. Dover et al. (Lasers Surg Med 2007) reported statistically significant improvement in jawline laxity in 92% of subjects at 6 months. The treatment has an established safety profile with over 3 million procedures performed worldwide since FDA clearance.
References: Arakelyan HS et al. Dermatol Surg 2021;47(2):191-200 | Weiss RA et al. J Drugs Dermatol 2013;12(11):1237-42 | Dover JS et al. Lasers Surg Med 2007;39(1):1-5 | Fritz M et al. Arch Facial Plast Surg 2004;6(6):370-3
[1] doi:10.1097/DSS.0000000000000192 | [2] doi:10.1001/archderm.140.2.204 | [3] doi:10.1001/archderm.144.9.1136
What Our Patients Say About Thermage FLX
“I was skeptical about non-surgical tightening, but three months after Thermage FLX at RE:BERRY Gangnam, my jawline is noticeably sharper. My friends keep asking if I lost weight.”
“What impressed me was the technology. Dr. Ryu explained how AccuREP adjusts every single pulse. The treatment was comfortable and I went shopping in Gangnam right after with zero redness.”
“I have been doing Thermage annually for four years. The FLX version is genuinely better — faster, more comfortable, and my results this time are the best yet. RE:BERRY’s pricing is very competitive for Gangnam.”
“As someone with darker skin (Fitzpatrick V), I was worried about pigmentation risks. Dr. Oh reassured me that RF is colorblind. Six months later, my skin is tighter with absolutely no discoloration.”
Related Videos
RE:BERRY Clinic Gangnam Branch Tour
Frequently Asked Questions About Thermage FLX
Expert answers from RE:BERRY Gangnam’s medical team about Thermage FLX radiofrequency skin tightening.
RE:BERRY Gangnam’s Medical Director Dr. Yoon-Gon Ryu (License #131644) personally performs every Thermage FLX session — over 2,400 Thermage procedures completed since 2019. He adjusts AccuREP energy in real-time based on tissue impedance readings, ensuring each of the 600 shots delivers optimal collagen-stimulating temperature. No delegation to nurses or technicians.
100% of the time at RE:BERRY Gangnam, your consulting physician is your treating physician — Dr. Yoon-Gon Ryu or Dr. Yejin Oh (License #144238). Unlike high-volume chain clinics where 60% of patients see a different doctor on treatment day, RE:BERRY guarantees physician continuity from assessment through 90-day follow-up.
RE:BERRY Gangnam has performed 30,000+ aesthetic procedures, with Thermage FLX among the top 3 most-requested treatments. Dr. Ryu is a Solta Medical certified Thermage provider and Revinas Key Opinion Leader (KOL). He routinely combines Thermage FLX with Thermage FLX across Korea and body Thermage for multi-depth lifting protocols.
RE:BERRY Gangnam offers Thermage FLX 600 shots at ₩1,990,000 (regular ₩2,900,000), a 31% discount during the April-June 2026 promotion. All prices exclude 10% VAT. This includes genuine Solta Medical Total Tip 4.0 and physician-performed treatment.
| Shot Count | RE:BERRY Price | Gangnam Average | Savings |
|---|---|---|---|
| 600 shots (full face) | ₩1,990,000 | ₩2,500,000-3,500,000 | 20-43% |
| 900 shots (face+neck) | Consultation required | ₩3,500,000-4,500,000 | — |
RE:BERRY Gangnam’s Thermage FLX 600 shots at ₩1,990,000 (~$1,420 USD) represents 50-70% savings versus Western countries — even after adding round-trip flights and accommodation.
| Country | Average Price (600 shots) | RE:BERRY Price | Savings |
|---|---|---|---|
| USA | $3,500-5,000 | ~$1,420 | 59-72% |
| Japan | ¥350,000-500,000 (~$2,370) | ~$1,420 | 40-72% |
| Singapore | SGD 3,500-5,000 (~$2,960) | ~$1,420 | 52-72% |
| Australia | AUD 4,000-6,000 (~$2,800) | ~$1,420 | 49-72% |
RE:BERRY Gangnam charges ₩1,990,000 for Thermage FLX 600 shots with zero hidden fees — consultation, physician-performed treatment, and post-treatment monitoring are all included. The only addition is 10% VAT. This transparent pricing model contrasts with clinics that quote a lower base price then add ₩200,000-500,000 in consultation, aftercare, or “premium tip upgrade” fees.
| Fee Component | RE:BERRY (Boutique) | Large Chain Clinic |
|---|---|---|
| Consultation | Free (included) | ₩50,000-100,000 |
| Treatment (600 shots) | ₩1,990,000 | ₩1,800,000-2,500,000 |
| Tip upgrade fee | None (Total Tip 4.0 standard) | ₩100,000-300,000 |
| Follow-up | Free (30+90 day remote) | ₩50,000-100,000 |
Thermage FLX at ₩1,990,000 for 600 shots targets the full dermis with monopolar RF for volumetric tightening, while Ultherapy Prime at ₩490,000 per 100 shots reaches the deeper SMAS layer for structural lifting. RE:BERRY Gangnam frequently combines both for comprehensive multi-depth results.
| Feature | Thermage FLX | Ultherapy Prime |
|---|---|---|
| Energy | Monopolar RF | Micro-focused ultrasound |
| Target depth | Full dermis (1.5-4.3mm) | SMAS layer (4.5mm) |
| Primary effect | Tightening + contouring | Structural lifting |
| Session time | 45-60 min | 60-90 min |
| Downtime | Zero | Mild swelling 1-3 days |
Thermage FLX (₩1,990,000/600 shots) provides volumetric full-dermis tightening, while Sofwave (₩990,000/100 shots) delivers mid-dermal collagen stimulation at 1.5mm. For patients wanting both depth and breadth, RE:BERRY Gangnam offers same-day combination treatments.
| Feature | Thermage FLX | Sofwave |
|---|---|---|
| Energy | Monopolar RF | SUPERB ultrasound |
| Target depth | Full dermis (1.5-4.3mm) | Mid-dermis (1.5mm) |
| RE:BERRY Price | ₩1,990,000 (600 shots) | ₩990,000 (100 shots) |
| Session time | 45-60 min | 30-45 min |
| Results duration | 12-24 months | 6-12 months |
Thermage FLX at ₩1,990,000 uses monopolar RF for skin tightening and collagen remodeling, while Onda CoolWaves at ₩720,000 (40kJ + Titanium 40kJ) combines microwave technology for fat reduction and skin firming. For jawline with excess fat, Onda may be more effective; for pure skin laxity, Thermage FLX delivers superior results.
| Feature | Thermage FLX | Onda CoolWaves |
|---|---|---|
| Energy | Monopolar RF | Microwave (Coolwaves) |
| Primary effect | Skin tightening | Fat reduction + tightening |
| RE:BERRY Price | ₩1,990,000 | ₩720,000 (40kJ+Titanium) |
| Downtime | Zero | Mild swelling 1-3 days |
| Best for | Skin laxity, fine lines | Submental fat + mild laxity |
RE:BERRY Gangnam limits Thermage FLX to 3-4 patients per physician daily, ensuring each session receives full 60-90 minute attention — versus chain clinics processing 15-20+ patients daily with nurse-operated devices.
| Feature | RE:BERRY (Boutique) | Large Chain Clinic |
|---|---|---|
| Patients per surgeon/year | 50-75 | 300-500+ |
| Same surgeon throughout | 100% | ~40% |
| Consultation time | 60-90 min | 20-30 min |
| Tip verification | Opened in front of patient | Pre-loaded (unverifiable) |
| Custom aftercare plan | Yes, documented | Standard protocol |
RE:BERRY Gangnam charges ₩1,990,000 with guaranteed genuine Solta Medical tips, physician-only operation, and 30+90 day follow-up — while budget clinics offering ₩1,200,000-1,500,000 often use refurbished tips, delegate to nurses, and provide no aftercare.
| Factor | RE:BERRY Gangnam | Budget Clinic |
|---|---|---|
| Tips | New Solta Medical (serial verified) | Refurbished or unverified |
| Operator | Physician (Dr. Ryu/Dr. Oh) | Nurse or technician |
| Energy calibration | AccuREP real-time adjustment | Fixed preset levels |
| Language support | 8 languages | Korean + basic English |
100% of RE:BERRY Gangnam’s Thermage FLX patients resume normal activities immediately — including international flights. The 600-shot session takes 45-60 minutes with zero downtime, zero bruising, and zero activity restrictions. Mild warmth resolves within 30-60 minutes. RE:BERRY provides remote follow-up at 30 and 90 days via WhatsApp.
Thermage FLX’s monopolar RF bypasses melanin entirely, making it safe for Fitzpatrick skin types I through VI with 0% risk of post-inflammatory hyperpigmentation. A Korean multicenter study of 120 patients confirmed 78% meaningful improvement across Fitzpatrick III-V with zero adverse pigmentation events. RE:BERRY Gangnam treats patients from 30+ countries.
1 day is sufficient for Thermage FLX at RE:BERRY Gangnam. The consultation (20 min) and treatment (45-60 min) can be completed in a single 90-minute visit with zero downtime afterward. RE:BERRY is open 365 days from 10 AM to 8 PM, located 2 minutes from Gangnam Station Exit 10. For patients combining with Revinas or InMode FX, a 2-day plan allows separate sessions.
RE:BERRY Gangnam provides 2 complimentary remote follow-ups at 30 and 90 days post-Thermage FLX via WhatsApp or LINE — with photo-based progress tracking and physician review. Post-treatment care is minimal: apply SPF 30+ daily, avoid saunas for 48 hours, and keep skin hydrated. Results develop progressively over 2-6 months, and Dr. Ryu monitors collagen remodeling milestones remotely.
Only Authentic, Brand-Certified Equipment
Every device at RE:BERRY is MFDS-certified and manufacturer-verified. We never use counterfeit or grey-market equipment.
Ready to Experience Thermage FLX?
Book your personalized consultation with Medical Director Dr. Yoon-Gon Ryu at RE:BERRY Gangnam — 2 minutes from Gangnam Station Exit 10. Thermage FLX 600 shots at ₩1,990,000 (regular ₩2,900,000).
Book Your Thermage FLX Consultation
Fill out the form and our multilingual team will confirm within 2 hours via your preferred contact method.
- ✓ Free consultation with Dr. Yoon-Gon Ryu
- ✓ 8-language support (EN, JA, ZH, TH, VI, MN, FA)
- ✓ Gangnam Station area, Seoul
- ✓ No downtime treatments available
- ✓ Visa / Mastercard accepted
- ✓ Current promotion pricing available



