Thermage FLX 900 Shots in Gangnam — What the Extra 300 Shots Actually Cover
The 900-shot Thermage FLX plan keeps the full 600-shot face pass and adds roughly 300 monopolar radiofrequency pulses for the neck, jawline, and under-chin — coverage a face-only count leaves out — just steps from Gangnam Station in Seoul.
Thermage FLX 900 Shots
Thermage FLX
Thermage FLX 900 Shots in Gangnam
The 900-shot Thermage FLX plan keeps the full 600-shot face pass and adds roughly 300 monopolar radiofrequency pulses for the neck, jawline, and under-chin — coverage a face-only count leaves out — just steps from Gangnam Station in Seoul.

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2-Min WalkWhat does the 900-shot Thermage FLX protocol cover in Gangnam, and how is it different from 600?
Shot count is a coverage number, not a strength dial. The 4.0cm² Total Tip fires a fixed pulse each time, so 600 shots buys enough passes for the full face, and 900 keeps those 600 and spends the extra 300 on the neck, jawline, and under-chin. The neck is where the difference shows: anterior, lateral, and posterior cervical skin plus the submental area all fall outside a face-only session, and treating them properly needs those additional pulses. At RE:BERRY Clinic Gangnam the physician maps your laxity first and then sets the count — someone with a soft, crepey neck and a blurring jawline is who 900 is built for, while a face-only concern is well served by 600. What the number does not do is decide the outcome on its own. Two people at 900 shots can land in very different places depending on how the energy is planned zone by zone, so the mapping comes before the count. Nothing here is promised; the aim is even, well-covered tightening across the areas that actually loosened.
Effects & Progress
Effects & Progress
Each pulse warms one patch of dermis at a set energy, so 600 shots tiles the face and 900 keeps those and tiles the neck as well — the count is a coverage number, not a strength dial.
Mild warmth or light pinkness may show across the treated face and neck and usually settles within hours. Makeup and daily life — including travel — are fine the same day.
Early firmness from collagen contraction settles in; the jawline and neck often feel denser to the touch, and any tenderness eases within the first fortnight, before the visible change arrives.
The main tightening phase — new collagen builds through the warmed dermis, and the neck and jawline definition the extra 300 shots covered begins to read in the mirror. Response speed varies by individual.
Maintenance period. Results from a single 900-shot session generally hold 12 to 18 months; RE:BERRY will guide the smaller maintenance count that suits your skin.
Treatment Process
Thermage FLX 900 Shots — 4 Steps Across Face and Neck
※ Illustrative images are AI-generated to help explain the treatment process.Effects & Progress
Effects & Progress
Treatment Process
Thermage FLX 900 Shots — 4 Steps Across Face and Neck
※ Illustrative images are AI-generated to help explain the treatment process.What the 900-Shot Count Delivers in Gangnam, and How the Result Builds
- Face-and-neck coverage in one visit: the 900-shot plan keeps the full 600-shot face pass and adds roughly 300 pulses for the anterior neck, lateral neck, jawline, and under-chin, so the areas a face-only session skips are not left untreated
- Count set from your laxity, not a menu: the physician maps where the slack actually sits before choosing 600 or 900, so guests with a face-only concern are not upsold to a neck count they do not need
- AccuREP tuning per zone: because the platform re-reads impedance and adjusts before each pulse, the thinner, more mobile neck skin is treated on different settings from the cheeks, and one fixed output never runs across all twelve zones
- Genuine fixed-count tip verified in front of you: every 4.0cm² Total Tip is sealed, officially imported, and carries a set number of pulses, confirmed with you before opening, so the shot count on your plan is the shot count you receive
- One physician from mapping through all 900 pulses to review, so your face-and-neck case is never split between hands mid-session
- No downtime on the neck either: the energy leaves the skin intact, so pinkness fades within hours and same-day travel is fine even with the neck treated
| Timeline | What to Expect |
|---|---|
| The full 900-shot session runs through the twelve face-and-neck zones; mild redness fades within a couple of hours, and makeup, flying, and dinner are all fine the same day | |
| Early firmness from immediate collagen contraction settles in across the treated area; the jawline and neck often feel denser to the touch before any visible change, and any tenderness eases within the first fortnight | |
| New collagen builds through the warmed dermis, and the neck and jawline definition the extra 300 shots covered begins to read in the mirror, no longer only to the touch | |
| The fullest tightening across face and neck is visible by around six months; a single 900-shot session generally holds 12-18 months, after which a smaller maintenance count is considered |
600 Versus 900 Shots in Gangnam: Reading the Coverage Difference
| Consideration | 600 Shots (Face) | 900 Shots (Face + Neck) | How the physician decides |
|---|---|---|---|
| What it covers | Full face — cheeks, jawline surface, under-eye area | The full 600-shot face pass plus neck, jawline, and under-chin | Mapped from where your laxity actually sits, face-only or face-and-neck |
| Neck and submental | Not included | Anterior, lateral, and posterior cervical skin plus the submental area | Added only when the neck and under-chin are part of the concern |
| Tip used | 4.0cm² Total Tip, fixed pulse per shot | Same 4.0cm² Total Tip, more passes across more zones | The cartridge fixes the count; the map fixes where the passes go |
| Session length | Around 45-90 minutes | Around 90-120 minutes for the twelve face-and-neck zones | Longer because more area is covered, not because energy runs higher |
| Best suited to | Face-only softening with no neck concern | Softening jawline blurring into a crepey or lax neck | The presence or absence of neck laxity is the deciding line |
| What it does not change | Downtime stays nil; result still depends on energy planning | Downtime stays nil; result still depends on energy planning | Shot count sets coverage, never the quality of the tightening on its own |
Why This Matters
Picture the 900 shots as floor tiles: a larger count covers more floor, and it has no bearing on how bright the lamp above it is. Each pulse from the 4.0cm² Total Tip warms one patch of dermis at a set energy, so more shots lay down more patches over more area — 600 tiles the face, 900 tiles the face and the neck. That is why the neck drives the whole 600-to-900 question: anterior, lateral, and posterior cervical skin plus the submental region simply need their own tiles, and a face-count session never reaches them. The physician at RE:BERRY Gangnam draws the map first, and the count falls out of the map.
Shot number tells you how much area gets covered; it says nothing about how well. Neck skin is thinner and more mobile than a cheek, so running the same output there that suited the jawline overtreats one and undertreats the other. AccuREP re-reads the skin's impedance many times a second and re-tunes before every pulse, and the physician layers zone-by-zone judgment on top, easing the energy across the neck and holding it steadier over the denser cheek. Two people can both receive 900 shots and land in different places entirely, and what separates them is the energy plan the physician builds behind that number.
Travelers answering KHIDI's international patient survey have repeatedly placed one doctor from mapping to review near the top of what they look for. On a face-and-neck session that matters even more, because the read the physician makes while mapping your neck laxity is what tunes the pulses when the handpiece reaches it. At RE:BERRY the physician who decides 600 or 900, delivers every pulse, and reviews your result is one person, with no handoff between the face pass and the neck.
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How the 900-Shot Thermage FLX Plan Is Priced at RE:BERRY Gangnam (Regular Rates, VAT Excluded)
Your Medical Director

Dr. Yoon-Gon Ryu
- Medical Director, RE:BERRY Aesthetic Clinic Gangnam — Korean MOHW Medical License No.131644
- Manufacturer-appointed KOL invited to teach injection and energy-device technique to Korean peers
- Regular Member, Korean Academy of Aesthetic Medicine
- Co-manages every case with Dr. Yejin Oh (Korean MOHW Medical License No.144238)
- Featured in Authority Magazine (2026)



Medically reviewed by Dr. Yoon-Gon Ryu, CEO / Medical Director, RE:BERRY
A Fourteen-Thousand-Square-Foot Hush Above Gangnam-daero
Step past the black gallery facade and the bustle of Gangnam-daero falls away. Fourteen thousand square feet of hushed corridors, marble installations, a cascading water feature and fully enclosed consultation suites — arranged so you rarely cross paths with another guest, because our appointment-first diary keeps every hour deliberately underbooked.
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The Evidence Behind Monopolar RF Tightening — and What It Says About Coverage
Monopolar radiofrequency tightens by heating a broad volume of dermis until existing collagen contracts and the skin's repair machinery lays down new collagen over the following months. A multicenter study of the multiple-pass, moderate-energy technique across 5,700 facial treatments reported visible tightening in the large majority of cases at six months and much better comfort than the older single-pass approach. That finding underwrites a practical point about the 900-shot count: the gain comes from carrying the validated multiple-pass protocol over more area, while each individual zone is treated no harder than before.
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.1524-4725.2007.33191.x
Because the 900-shot plan adds neck and periorbital-adjacent zones, evidence beyond the mid-face matters. A multicenter periorbital trial of 86 subjects recorded objective tissue elevation at six months after a single monopolar RF session, and a dedicated lower-face study of 66 patients confirmed progressive contour improvement through six months under the same multiple-pass, low-fluence algorithm. Both support treating the jawline-to-neck transition the extra 300 shots cover, provided the energy is planned for skin that is thinner there than on the cheek.
Fitzpatrick R, Geronemus R, Goldberg D, Kaminer M, Kilmer S, Ruiz-Esparza J. Multicenter study of noninvasive radiofrequency for periorbital tissue tightening. Lasers Surg Med. 2003;33(3):232-242. doi:10.1002/lsm.10225
Bogle MA, Ubelhoer N, Weiss RA, Mayoral F, Kaminer MS. Evaluation of the multiple pass, low fluence algorithm for radiofrequency tightening of the lower face. Lasers Surg Med. 2007;39(3):210-217. doi:10.1002/lsm.20472
Two further points shape how RE:BERRY Gangnam plans a 900-shot session. Evidence in Asian skin found sustained laxity improvement with no scarring or pigmentary change, which reflects that RF heating is chromophore-independent and does not target melanin — relevant for treating a wider neck field on darker or reactive complexions. And follow-up across nonablative RF cases recorded only transient, self-resolving reactions, consistent with the same-day-return experience whether the count is 600 or 900. This is the basis for mapping laxity first: broad face-and-neck looseness answers to a well-covered multiple-pass protocol, while deep fold-dominant sagging is redirected to a different energy class.
Kushikata N, Negishi K, Tezuka Y, Takeuchi K, Wakamatsu S. Non-ablative skin tightening with radiofrequency in Asian skin. Lasers Surg Med. 2005;36(2):92-97. doi:10.1002/lsm.20136
de Felipe I, Del Cueto SR, Pérez E, Redondo P. Adverse reactions after nonablative radiofrequency: follow-up of 290 patients. J Cosmet Dermatol. 2007;6(3):163-166. doi:10.1111/j.1473-2165.2007.00322.x
Thermage FLX 900 Shots in Gangnam: the Questions International Guests Ask
What is the actual difference between 600 and 900 Thermage shots?
Coverage. The 4.0cm² Total Tip fires a fixed pulse each shot, so 600 shots covers the full face and 900 keeps those 600 and spends the extra roughly 300 on the neck, jawline, and under-chin. The neck is the whole reason to step up: anterior, lateral, and posterior cervical skin plus the submental area fall outside a face-only session. At RE:BERRY Gangnam the physician maps your laxity and sets the count from it, with the 900-shot face-and-neck plan published at a consultation-based quote.
Do more shots mean a stronger or more aggressive treatment?
No, and this trips a lot of people up. Each pulse carries the same fixed energy from the tip regardless of whether your plan is 600 or 900, so the count describes coverage and leaves the per-pulse strength unchanged. What varies is how much area gets treated and how the physician tunes the output zone by zone. A 900-shot session is the same Thermage FLX treatment carried further across your face and neck, with no step up in intensity over 600.
How do I know whether I need 600 or 900?
It comes down to where your skin has actually loosened. If the softening sits on the cheeks and jawline and your neck still holds its firmness, 600 covers it. If the jawline blurs into a crepey or slack neck, or the under-chin has lost its line, the neck and submental zones need their own pulses and the plan moves to 900. At the consultation the physician maps where your laxity sits, and that map decides the count; the number you would prefer does not enter into it.
Which areas do the extra 300 shots actually treat?
The additional pulses in a 900-shot session go to the neck and the jawline-to-chin transition: the anterior neck, the lateral neck, the posterior cervical skin, and the submental area under the chin. These twelve-zone face-and-neck maps are what a 600-shot face count leaves out. The physician marks each zone on the guide grid before treatment so the extra shots land where the neck laxity actually is and are not spread thin.
Does the 900-shot session take longer than 600?
Yes. The extra minutes go into covering the neck and under-chin zones, while the energy per pulse stays where a 600 plan would set it. A 600-shot face session runs around 45 to 90 minutes; a 900-shot face-and-neck plan runs closer to 90 to 120 minutes across the twelve zones. The longer chair time is simply the cost of tiling the neck as well as the face, and topical numbing is applied beforehand so the added time stays comfortable.
Is there more downtime because the neck is treated too?
No. The energy passes through intact skin on the neck exactly as it does on the face, so there is no wound and no dressing anywhere. Mild redness typically fades within a couple of hours, and makeup, flights, and daily life are fine the same day even with the neck included. Guests routinely fly out the morning after a 900-shot session with nothing visible to manage.
Why does the neck need different settings from the face?
Neck skin is thinner and more mobile than a cheek, so running the same output there that suited the jawline would overtreat one zone and undertreat the other. AccuREP re-reads the skin's impedance many times a second and re-tunes before every pulse, and the physician eases the energy across the neck while holding it steadier over the denser face. That per-zone tuning is why two people at 900 shots can end up in very different places.
Will 900 shots give me a better result than 600?
Only if your concern includes the neck. For a face-and-neck laxity pattern, 900 gives a better result than 600 because 600 would leave the neck untreated. But for a face-only concern, adding neck shots you do not need buys nothing — the face is already fully covered at 600. Shot count sets coverage; it never decides the quality of the tightening on its own, which is set by the energy plan behind the number.
When will I see the result from a 900-shot session, and how long does it hold?
The change builds in two phases. Early firmness from immediate collagen contraction shows across the face and neck in the first weeks, and the fuller tightening, where the neck and jawline definition read in the mirror, comes as new collagen forms through the warmed dermis over roughly one to six months. A single 900-shot session generally holds around 12 to 18 months before a smaller maintenance count is considered.
Is the shot count on my plan really the count I receive?
Yes, and it is verifiable. Each 4.0cm² Total Tip is a sealed, officially imported cartridge with a fixed number of pulses built into it, and it is scanned and confirmed with you before it is opened. The count cannot be quietly reduced mid-session because the cartridge itself sets it. If your plan is 900, the sealed tips that open in front of you carry 900 shots between them.
Am I a good candidate for the 900-shot protocol, or something else?
Good candidates for 900 have mild-to-moderate looseness that runs from the jawline into a crepey or slackening neck and under-chin, and want one session with no downtime. A pacemaker or any other implanted electronic device rules out a 900-shot Thermage FLX session, and so does pregnancy. Deep structural sagging that has dropped below the skin answers better to SMAS-level lifting, which the physician at RE:BERRY Gangnam screens for before recommending any shot count.
What aftercare does a 900-shot face-and-neck session need?
Aftercare stays light across both the face and the neck: for about a week avoid saunas, very hot showers, and intense heat, keep the skin moisturised, and use daily sun protection while collagen remodels over the following months. There is nothing extra to do for the neck beyond the face. RE:BERRY Gangnam includes WhatsApp follow-up in English, checking your progress photos as the tightening from your session develops.
How do I book a 900-shot Thermage FLX consultation as a foreign visitor?
Message RE:BERRY on WhatsApp with your concern, whether the neck is part of it, your travel dates, and a few photos. A coordinator replies in English, the physician maps your laxity and confirms 600 or 900 in writing, and nothing is scheduled until you agree. The clinic is appointment-first for international guests (walk-ins possible), interpreters cover five languages, and mapping plus the session can fit into a single visit inside KI Tower, two minutes from Gangnam Station Exit 10.
Where can I read more before deciding between shot counts?
Vetting a clinic partly means reading how it explains its own treatments, so budget a little time. The RE:BERRY clinic journal covers how energy devices are matched to different laxity patterns, and the non-surgical lifting overview sets the 900-shot protocol against other tightening routes, while the regenerative treatments page adds context on what pairs with RF. The links to all three sit in the related section at the foot of this page.
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Every device at RE:BERRY is MFDS-certified and manufacturer-verified. We never use counterfeit or grey-market equipment.
Have Your Laxity Mapped Before the Shot Count Is Set
Send your concern, whether the neck is part of it, your travel dates, and a few photos to RE:BERRY Clinic Gangnam on WhatsApp. A coordinator replies in English, the physician maps where your skin has actually loosened, and 600 or 900 is confirmed in writing before anything is scheduled — VAT excluded, no add-ons. The doctor who sets the count delivers every pulse and reviews the result. Your 900-shot session takes place inside KI Tower, a two-minute walk from Gangnam Station Exit 10, with the clinic open 365 days a year.
Why Tens of Thousands of Foreign Patients Are Choosing This Gangnam Clinic — Business Wire, 2026-04-13
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I had a really nice experience at Reberry Clinic Gangnam. I received a Hydrafacial treatment, and the whole process was very comfortable. The staff were kind and explained everything clearly, and the clinic itself felt clean and relaxing. I also loved the interior — the clinic felt very clean, elegant, and luxurious, w...
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Science Monopolar RF tightening and shot coverage, traced to the dermatology behind it
The 900-shot count rests on the same evidence base as monopolar RF tightening generally, read here as a question of how much area the passes reach. The multiple-pass, moderate-energy technique validated across 5,700 facial treatments (Dover 2007) reported visible tightening in the majority of cases at six months, which underwrites treating a wider field with more passes rather than harder single passes. Extending that field to the neck and jawline-to-chin transition draws on outcomes beyond the mid-face: a multicenter periorbital trial measured objective elevation at six months (Fitzpatrick 2003), and a dedicated lower-face study confirmed progressive contour gains under the low-fluence algorithm (Bogle 2007). Evidence in Asian skin showed sustained laxity improvement with no pigmentary change (Kushikata 2005), reflecting that RF heating is chromophore-independent, and follow-up across nonablative RF cases recorded only transient, self-resolving reactions (de Felipe 2007), consistent with same-day return whether the count is 600 or 900. Taken together, they treat the 900-shot decision as a question of how far coverage should extend, answered from a map of each patient's laxity.
- 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.1524-4725.2007.33191.x
- Fitzpatrick R, Geronemus R, Goldberg D, Kaminer M, Kilmer S, Ruiz-Esparza J. Multicenter study of noninvasive radiofrequency for periorbital tissue tightening. Lasers Surg Med. 2003;33(3):232-242. doi:10.1002/lsm.10225
- Bogle MA, Ubelhoer N, Weiss RA, Mayoral F, Kaminer MS. Evaluation of the multiple pass, low fluence algorithm for radiofrequency tightening of the lower face. Lasers Surg Med. 2007;39(3):210-217. doi:10.1002/lsm.20472
- Kushikata N, Negishi K, Tezuka Y, Takeuchi K, Wakamatsu S. Non-ablative skin tightening with radiofrequency in Asian skin. Lasers Surg Med. 2005;36(2):92-97. doi:10.1002/lsm.20136
- de Felipe I, Del Cueto SR, Pérez E, Redondo P. Adverse reactions after nonablative radiofrequency: follow-up of 290 patients. J Cosmet Dermatol. 2007;6(3):163-166. doi:10.1111/j.1473-2165.2007.00322.x
These findings frame how a 900-shot session is planned at RE:BERRY Clinic Gangnam. The physician maps where the laxity sits before choosing 600 or 900, applies the validated multiple-pass technique across the face and, where indicated, the neck, tunes the energy per zone for skin that is thinner on the neck than the cheek, and reviews the tightening across the collagen-remodeling window under the same licensed physician. This information is for educational purposes only and is not medical advice.
How to Find RE:BERRY Gangnam
2 minutes from Gangnam Station Exit 10. B1–B2, KI Tower — the building with the all-black entrance you can't miss.
RE:BERRY Clinic Gangnam
B1–B2, KI Tower, 69-gil 8, Gangnam-daero, Seocho-gu, Seoul
서울시 서초구 강남대로69길 8, 지하1·2층 (KI타워)
Also available at: Myeongdong · Incheon Airport


















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