Ultherapy Prime vs Thermage Choosing in Korea
Ultherapy Prime is next-generation focused ultrasound that lifts the SMAS at 4.5mm; Thermage FLX is monopolar radiofrequency that firms a broad layer of dermis. In Seoul both are widely stocked and sit in the same room at RE:BERRY, so the choice follows your skin, not the machine, steps from Gangnam Station.
Ultherapy Prime and Thermage FLX
Prime vs Thermage
Prime vs Thermage · Gangnam Seoul
Ultherapy Prime is next-generation focused ultrasound that lifts the SMAS at 4.5mm; Thermage FLX is monopolar radiofrequency that firms a broad layer of dermis. In Seoul both are widely stocked and sit in the same room at RE:BERRY, so the choice follows your skin, not the machine, steps from Gangnam Station.
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Ultherapy Prime or Thermage FLX in Korea: which one should I pick?
Pick by the layer your looseness lives on. If a jowl or brow has descended from the deep SMAS support layer, Ultherapy Prime is the answer: its multi-plane focused ultrasound reaches 4.5mm where a surgical lift works. If the skin has thinned, crepey, and slack across the surface, Thermage FLX is the answer: its monopolar radiofrequency heats a broad volume of dermis at a 1-4mm depth. Faces carrying both patterns are staged. Because RE:BERRY Gangnam keeps both platforms on hand, the physician reads your face and names the device it calls for, with the Korean price of a planned course often landing near a single overseas session.
Effects & Progress
Effects & Progress
Prime reaches the SMAS in multiple planes at 4.5mm while Thermage warms a broad dermal volume, so the two energies act on different depths and the right pick depends on where your looseness actually sits.
Any mild flushing or tenderness from either energy usually settles within a few hours. There is no wound, so makeup and travel are fine the same day.
Early firmness begins as the treated layer responds. With Thermage the dermis often feels denser first, while the Prime-treated SMAS starts its slower deep rebuild beneath the surface.
The main phase, as new collagen and elastin build through the layer each energy treated and the jawline and cheeks look progressively firmer. Response speed varies by individual.
Maintenance period. A Prime lift generally holds near 18 months and a Thermage session 12 to 24; RE:BERRY guides the repeat interval and whether a staged pairing suits your skin next.
Treatment Process
Prime or Thermage — 4 Steps to the Right Energy in Korea
※ Illustrative images are AI-generated to help explain the treatment process.Effects & Progress
Effects & Progress
The two energies are not rivals doing the same job at different price points. Ultherapy Prime sends microfocused ultrasound to precise planes, reaching the SMAS at 4.5mm, the deep support layer a surgical lift addresses, which suits a face that has genuinely dropped. Thermage FLX passes monopolar radiofrequency through a broad volume of dermis at a 1-4mm depth, which suits skin that has thinned and slackened at the surface. Because the depths differ, the honest opening question in Korea is simply which layer your concern lives on, and a clinic holding both can answer without steering.
Whichever device is chosen, the mechanism is regeneration through heat. Focused ultrasound at the SMAS and monopolar radiofrequency across the dermis each create controlled thermal stimulation that prompts the skin to lay down new collagen and elastin at the treated layer. That is why the visible change with either builds progressively across two to six months toward a peak around week 24, and why it comes from your own tissue with nothing implanted and no volume added. A face wanting fullness is mapped to a separate product entirely, and the physician will say when the real need is volume itself.
Neither treatment breaks the skin. The energy passes through an intact surface, so there is no wound, no stitches, and no recovery room with either device, and makeup, sightseeing, and a flight home are all fine the same day. When a face carries both a deep structural drop and surface looseness, the two energies can be staged on their separate layers while the whole plan stays non-invasive: ultrasound at the SMAS, radiofrequency through the dermis, sequenced by the physician. For a medical traveler that matters as much as the clinical fit, because one visit to Seoul can then carry the reading, the chosen procedure, and the start of the follow-up window.
RE:BERRY holds both FDA-cleared platforms in the same clinic, which is what makes an unsteered recommendation possible: the physician who reads your face is choosing between two machines already in the room, with no single purchase to defend and no reason to talk up the newer name. It also changes the math for travelers. What a single genuine Ultherapy or Thermage session can cost in North America, Japan, or Australia often covers a planned course of the correct device in Seoul, so the Korean choice is driven by which layer needs work, while the budget stays out of the decision.
Treatment Process
Prime or Thermage — 4 Steps to the Right Energy in Korea
※ Illustrative images are AI-generated to help explain the treatment process.
What the Prime-vs-Thermage Choice Actually Gives You in Korea
- One reading settles the device: a dropped SMAS routes to Ultherapy Prime at 4.5mm, surface looseness routes to Thermage FLX across the dermis, and the physician says plainly when a face needs both
- Both platforms live in the same room at RE:BERRY Gangnam, so the recommendation is never bent toward whichever machine the clinic happens to stock
- Prime's multi-plane delivery reaches three ultrasound depths in a single session, and the newer generation earns its place only when the deep layer genuinely calls for that coverage
- Thermage FLX's AccuREP calibration re-checks skin impedance many times a second and re-tunes each of the 600 shots, so dermal heating stays even across zones without running one fixed setting
- The same physician reads your laxity, delivers the chosen energy, and reviews the result, so a Prime or Thermage case in Gangnam is never handed off mid-course
- Seoul pricing keeps a planned course of the correct device near what a single Prime or Thermage session runs in many home markets, so budget stays off the clinical table
| Timeline | What to Expect |
|---|---|
| Session complete in 45-90 minutes; light warmth or pinkness fades within hours, and makeup, flying, and dinner plans are all fine the same day with either energy | |
| Early firmness appears, and the dermis often feels denser first after Thermage, while the Prime-treated SMAS begins its slower deep rebuild beneath the surface | |
| The main phase: collagen and elastin rebuild at the layer each energy heated, and the jawline or cheeks look progressively firmer as the tissue remodels | |
| The fullest result reads around week 24; Ultherapy Prime typically holds close to 18 months, a Thermage FLX session generally 12-24 months |
Ultherapy Prime vs Thermage FLX: A Decision Tree by Skin State
| Read your face | Ultherapy Prime (focused ultrasound) | Thermage FLX (monopolar RF) |
|---|---|---|
| Energy type | Multi-plane microfocused ultrasound with visualization | Monopolar radiofrequency |
| Where it works | Discrete coagulation points at 1.5 / 3.0 / 4.5mm, reaching the SMAS | Broad dermal volume across a 1-4mm depth, tip 4.0cm² |
| The face it suits | A jowl, brow, or lower face that has genuinely descended | Thinned, crepey, slack skin and softened texture at the surface |
| Standard protocol | Multi-plane pattern placed side to side under imaging | 600 shots full-face with AccuREP per-shot calibration |
| Sessions | Single session | Single session |
| Session time | 45-90 minutes | 45-90 minutes |
| How it feels | Brief pinpoint warmth at each coagulation point | A broader, deeper wave of heat, cushioned by cooling |
| Downtime | None, same-day makeup and flights | None, same-day makeup and flights |
| Result peaks | Around week 24, typically holds near 18 months | Around week 24, generally holds 12-24 months |
Why This Matters
The decision tree runs on one question: which layer has moved. Ultherapy Prime is the tool when a jowl or brow has dropped from the SMAS, because its multi-plane ultrasound converges to that deep plane at 4.5mm. Thermage FLX is the tool when the skin itself has thinned and slackened across the surface, because monopolar RF warms a broad volume of dermis instead of aiming for one deep point. When the physician at RE:BERRY Gangnam reads both patterns in the same face, the two energies are staged on their separate layers within a single plan.
Seoul is a large part of why medical travelers weigh this choice here at all. RE:BERRY publishes each device on its own treatment page with VAT included, and the Korean cost of a planned course commonly lands near what a single genuine Ultherapy or Thermage session runs in North America, Japan, or Australia. With both platforms in the same clinic, the pick stays a clinical one, the layer that needs work, while the budget question is largely settled before the reading begins.
KHIDI's 2025 international patient survey found 41.4% of respondents rank keeping the same doctor throughout as their leading criterion. At RE:BERRY the physician who reads your laxity on the visualization screen is the one who places every Prime coagulation point or Thermage pulse and reads your review, with no handoff between the reading, the treatment, and the follow-up.
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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
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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 reservation-only diary keeps every hour deliberately underbooked.
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The Evidence Behind the Two Energies You Are Choosing Between
Ultherapy Prime belongs to the microfocused-ultrasound-with-visualization family, and its evidence base rests on the same physics: ultrasound is converged into discrete thermal coagulation points at fixed depths, verified on an imaging screen so the deep plane being treated is visible. A rater-blinded study of microfocused ultrasound applied to facial and neck skin recorded measurable tightening on standardized assessment, establishing that a non-invasive ultrasound platform could reach and remodel the deep layer without an incision, the principle Prime's multi-plane delivery refines.
Oni G, Hoxworth R, Teotia S, Brown S, Kenkel JM. Evaluation of a microfocused ultrasound system for improving skin laxity and tightening in the lower face. Aesthet Surg J. 2014;34(7):1099-1110. doi:10.1177/1090820x14541956
Evidence in Asian skin matters directly for a Seoul clinic, because response and safety were mapped in the population most RE:BERRY guests share. A clinical study of intense focused ultrasound tightening in Asian skin documented objective improvement in facial and neck laxity through follow-up, supporting the SMAS-directed use of the technology on the faces treated here. A separate histologic and clinical evaluation of an intense-focused-ultrasound device confirmed that the energy creates thermal effect at the intended depth, sparing the surface above it. A visualization screen is used precisely so each point can be placed at that depth.
Suh DH, Shin MK, Lee SJ, et al. Intense focused ultrasound tightening in Asian skin: clinical and pathologic results. Dermatol Surg. 2011;37(11):1595-1602. doi:10.1111/j.1524-4725.2011.02094.x
Laubach HJ, Makin IRS, Barthe PG, Slayton MH, Manstein D. Intense focused ultrasound: evaluation of a new treatment modality for precise microcoagulation within the skin. Dermatol Surg. 2008;34(5):727-734. doi:10.1111/j.1524-4725.2008.34196.x
Thermage FLX sits on the other side of the decision tree, and its evidence is monopolar radiofrequency remodeling the dermis in bulk. A study of non-ablative radiofrequency tightening in Asian skin reported sustained laxity improvement with no pigmentary change, which is expected because RF heating is chromophore-independent and does not target melanin. A lower-face study of the multiple-pass, low-fluence algorithm, the moderate-energy approach applied across all 600 shots at RE:BERRY, confirmed progressive contour improvement through six months. The physician reads laxity type before choosing for this reason: a dropped SMAS is redirected to Prime, while broad surface looseness responds to the Thermage FLX protocol.
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
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
Questions Guests Ask Ahead of Choosing Prime or Thermage in Korea
Ultherapy Prime or Thermage FLX: how do I know which one my face needs?
It follows the layer that has moved. If a jowl or brow has genuinely descended, that comes from the deep SMAS support layer, and Ultherapy Prime reaches it with focused ultrasound at 4.5mm. If your skin has thinned and gone crepey across the surface without a deep drop, that lives in the dermis, and Thermage FLX warms a broad dermal volume with monopolar radiofrequency. At RE:BERRY Gangnam the physician reads which pattern your face shows before naming a device.
What exactly makes Ultherapy Prime different from earlier Ultherapy?
Prime is the newer generation of microfocused ultrasound with visualization: it delivers across multiple planes at 1.5, 3.0, and 4.5mm in one session and is designed for denser, more even coverage of the deep layer. The core principle is unchanged, ultrasound converged into coagulation points at the SMAS, verified on an imaging screen. The physician chooses Prime when the depth reading shows the deep plane genuinely calls for that coverage, not by default.
How does Thermage FLX heat the skin, and how is that different from Prime?
Thermage FLX passes monopolar radiofrequency between a treatment tip and a return pad, and tissue resistance turns that current into heat spread through a broad volume of dermis at a 1-4mm depth. Prime instead focuses ultrasound into discrete points deep at the SMAS. One heats a wide layer; the other targets a deep plane. That single difference in physics is what decides whether surface looseness or a structural drop is being treated.
Can I have both Prime and Thermage, and does that make sense?
Yes, and for some faces it is the better plan. When a face carries both a real SMAS descent and surface skin that has thinned, the two energies are staged on their separate layers, ultrasound deep and radiofrequency across the dermis, within one plan sequenced by the physician. Many RE:BERRY guests who pair them do so in a single Seoul visit, and the whole plan stays non-surgical with no wound.
Which one hurts more, Prime or Thermage FLX?
They feel different, and neither is simply worse. Prime is felt as brief pinpoint warmth wherever a coagulation point is placed; Thermage FLX is a broader, deeper wave of heat cushioned by the handpiece's cooling. Comfort is managed to whichever energy is used, and the physician tunes intensity to your feedback across the 45-90 minute session so no zone is overdriven. Most guests describe both as manageable.
How long is a Prime or Thermage session, and is there downtime?
Either session runs about 45-90 minutes depending on the area and energy. Neither breaks the skin, so there is no wound and essentially no recovery: mild redness or warmth fades within hours, and makeup, flights, and sightseeing are all fine the same day. A single Seoul trip can then hold the consultation, the chosen treatment, and the start of follow-up without blocking out any recovery time.
When will I see results, and which one lasts longer?
Both work by rebuilding your own collagen at the treated layer, so the change is gradual, with the fullest result reading around week 24. In durability they run close: an Ultherapy Prime lift typically holds near 18 months, and a Thermage FLX session generally 12-24 months. Response speed and duration vary by individual skin and by how deep the laxity sits.
Is it true that both are in the same clinic, and why does that matter?
It is, and it changes the recommendation. When a clinic owns only one machine, the advice can drift toward whatever it stocks. RE:BERRY Gangnam keeps both Ultherapy Prime and Thermage FLX in the same room, so the physician reading your face is choosing between two platforms already present, with no single purchase to defend. The pick follows your anatomy, not the inventory.
How does the cost of Prime or Thermage in Korea compare with home?
Seoul is a large reason medical travelers weigh this choice here. RE:BERRY publishes each device on its own treatment page with VAT included, and the Korean price of a planned course commonly lands near what a single genuine Ultherapy or Thermage session runs in North America, Japan, or Australia. Because both platforms sit in the same clinic, the decision stays clinical while the budget question is mostly settled first.
Will I be neither a Prime nor a Thermage candidate: what then?
Sometimes the honest reading is that neither energy is the right first move. If your main concern is lost volume and not looseness, the physician maps that to a separate product entirely, because neither Prime nor Thermage adds fullness the way a filler does. Deep structural sagging beyond what non-surgical energy addresses is also flagged plainly at consultation, not treated by default.
Are the devices and tips genuine, and how do I know?
Every consumable is a genuine, officially imported cartridge, and the sealed unit is shown and confirmed with you before it is opened: an Ultherapy Prime transducer or the sealed 4.0cm² Thermage FLX Total Tip, each with a fixed count. The devices themselves are MFDS-registered. Your skin condition is also documented under standardized clinic lighting so the reading and the review are measured against the same reference.
Can I fly straight after a Prime or Thermage session?
For most guests flying is comfortable within a day or two, and same-day travel is common because neither energy leaves a wound. RE:BERRY schedules a review before you depart and then tracks your progress on WhatsApp in English across the collagen-building weeks, so an overseas guest can complete consultation, treatment, and the start of the follow-up window in one visit to Seoul.
What aftercare does either treatment need once I return home?
Aftercare is light for both. For about a week avoid saunas, very hot showers, and intense heat exposure, keep the skin moisturized, and use daily sun protection while collagen rebuilds over the following two to six months. RE:BERRY Gangnam includes WhatsApp follow-up in English through the 24-week window, reviewing your progress photos as the lift from Prime or the firming from Thermage develops.
How do I book, and how do I reach the clinic from Gangnam Station?
Message RE:BERRY on WhatsApp with your travel dates and photos; a coordinator replies in English within 24 hours and reserves a physician slot. The clinic sits inside KI Tower on Gangnam-daero, a 2-minute walk from Gangnam Station Exit 10 on Seoul Metro Line 2, and around 45-60 minutes from Incheon Airport by AREX plus subway or direct taxi. It is reservation-only for international guests, with interpreters covering 8 languages on-site.
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Every device at RE:BERRY is MFDS-certified and manufacturer-verified. We never use counterfeit or grey-market equipment.
Read Your Face First, Then Pick a Machine: Book in Gangnam
Send your lifting concerns and travel dates to RE:BERRY on WhatsApp; a coordinator replies within 24 hours and reserves a physician slot. The physician who reads whether your laxity sits at the SMAS or across the dermis is the one who delivers every Ultherapy Prime point or Thermage FLX pulse and reads your review, and with both platforms in the same room, nothing is steered by the machine a clinic owns.
Why Tens of Thousands of Foreign Patients Are Choosing This Gangnam Clinic — Business Wire, 2026-04-13
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i had a good time having the Juvelook treatment!
It was my first time in Korea, all the Doctor & team are bery helpful. Dr. Ian & cheong a lee(jenny) are really helpful.
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Great place! Came coz of an ad online and wanted to check out the place. They were able to fit me and my husband in right away as walk-ins. They took us to a sink to wash our faces, then took photos for skin analysis and before photos. Then they proceeded to give us a consultation ( c/o Jin Wooyoung) and advice on what...
So happy to found the beauty clinic in Korea that very inclusive and Muslim friendly. They have a prayer space for muslim and they prepare a female doctor for me. The clinic is so comfortable with aesthetic design make me feel relaxed. The doctor and the staff are very professional and helpful so all of the procedure r...
I had an excellent experience at Reberry Gangnam. The staff were professional, welcoming, and took the time to explain each treatment thoroughly. I had microneedling and other skin treatments, and the entire process was comfortable and well-organized. The clinic was modern, clean, and made me feel at ease from start to...
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Science Focused ultrasound and monopolar RF tightening: peer-reviewed references
The two energies in this decision each rest on peer-reviewed evidence. For focused ultrasound, a rater-blinded evaluation measured facial and neck tightening from a microfocused system (Oni 2014), a study in Asian skin documented sustained laxity improvement matched to the population treated in Seoul (Suh 2011), and a device evaluation confirmed precise microcoagulation at the intended depth rather than at the surface (Laubach 2008). For monopolar radiofrequency, a study in Asian skin reported laxity improvement with no pigmentary change, reflecting that RF heating is chromophore-independent (Kushikata 2005), and a dedicated lower-face study confirmed the multiple-pass, low-fluence algorithm's progressive contour gains through six months (Bogle 2007). The physician reads laxity depth first, then applies the energy the evidence supports for that layer.
- Oni G, Hoxworth R, Teotia S, Brown S, Kenkel JM. Evaluation of a microfocused ultrasound system for improving skin laxity and tightening in the lower face. Aesthet Surg J. 2014;34(7):1099-1110. doi:10.1177/1090820x14541956
- Suh DH, Shin MK, Lee SJ, et al. Intense focused ultrasound tightening in Asian skin: clinical and pathologic results. Dermatol Surg. 2011;37(11):1595-1602. doi:10.1111/j.1524-4725.2011.02094.x
- Laubach HJ, Makin IRS, Barthe PG, Slayton MH, Manstein D. Intense focused ultrasound: evaluation of a new treatment modality for precise microcoagulation within the skin. Dermatol Surg. 2008;34(5):727-734. doi:10.1111/j.1524-4725.2008.34196.x
- 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
- 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
These references shape how the Prime-or-Thermage decision is made at RE:BERRY's Gangnam aesthetic clinic: laxity depth is read by the treating physician on the visualization screen before any energy is chosen; focused ultrasound is directed to the SMAS when the deep plane has descended, and the multiple-pass, moderate-energy radiofrequency technique is applied across all 600 shots when surface looseness leads; and standardized-lighting photographic follow-up runs through the 24-week 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