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Dear Clinic · Procedure Information · Lifting
Monopolar Radiofrequency

Thermage FLX

Monopolar radiofrequency that heats the deep dermis to tighten and refine the surface. The tip is sealed and shot-counted, and it is opened once the diagnosis puts your looseness in the dermis.

FDA-cleared tightening technology ₩2,200,000 / 600 shots ($1,570) Open 365 days
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About

What is Thermage FLX?

Thermage FLX is a non-surgical skin-tightening treatment that delivers monopolar radiofrequency (RF) energy uniformly into the deep dermis. The controlled heat contracts existing collagen immediately and triggers new collagen to form over the following months — firming loose skin, smoothing texture and tightening the surface without cutting or injecting anything. FLX is the latest generation, with the AccuREP™ system that reads your skin and tunes energy to it.

Focused-ultrasound lifting reaches the deeper SMAS layer; radiofrequency spreads its heat broadly through the dermis. So Thermage is chosen when the goal is overall firmness, texture and a tighter skin envelope, and a focused-ultrasound device is chosen when the scan finds one deep vector of descent instead. Every pass comes off a treatment tip counted in 600-shot units, planned to your face after diagnosis.

Thermage FLX system on castors with the handpiece docked and the brand shown on its screen
The Thermage FLX system in use at Dear Clinic, Cheongdam.
Treatment Areas

Where the tip is aimed

Tip placement and energy level are planned zone by zone from your 3D diagnosis. Thin under-eye skin and a thick jaw never run at the same setting.

01

Cheeks and the mid-face envelope

Overall laxity, blurred contours and lost firmness across the cheeks and mid-face. This zone takes the largest share of a 600-shot tip.

02

Jaw edge and early jowls

A jaw edge that has begun to soften, and early jowl heaviness, tightened by broad dermal heating and immediate collagen contraction.

03

Eye area, on its own tip

Crepey upper-lid and under-eye skin, worked on the dedicated 450-shot Eye tip. Separate protocol, separate price.

04

The neck line

Neck laxity and surface texture, delivered at depths matched to skin that is thinner than the face above it.

Doctor marking the pre-treatment grid on a patient's face before a Thermage FLX session at Dear Clinic
Doctor marking the pre-treatment grid on a patient's face before a Thermage FLX session at Dear Clinic
Aesthetic care room with an LED panel and hydro-peel unit at Dear Clinic Cheongdam
Aesthetic care room with an LED panel and hydro-peel unit at Dear Clinic Cheongdam
Older RF vs Thermage FLX

What FLX changes

Three things the FLX generation changed from earlier monopolar radiofrequency, and what each one does while you are in the chair.

UPGRADE 01

AccuREP™ auto-tuning

AccuREP measures the skin’s impedance and re-sets the energy between deliveries, all the way through the session. Tissue thickness changes as the tip travels from a thin temple to a thick jaw, and the setting follows it instead of holding one number for a whole face.

UPGRADE 02

Larger, faster tip

A wider tip covers more skin per stamp. A full face is finished in fewer placements and less chair time, which is its own kind of comfort.

UPGRADE 03

Vibration comfort

Vibration runs during each delivery and lifts the comfort threshold, so the energy level that actually does the work can be used without dialling it back.

Thermage certified provider certificate held by Dear Clinic, three consecutive years
Thermage certification held by Dear Clinic — verified provider, three consecutive years.
Dear, Knowhow

How a Thermage tip is planned at Dear

01 — A SEALED CONSUMABLE

A tip is a consumable, so opening one is a decision

A Thermage tip arrives sealed, holds a fixed count of shots and cannot be half-used. It is unsealed after the reading, never before it. Ultherapy Prime, Density, XERF, Onda, Titanium and Shurink are all in the building for the days when the scan points at a different layer.

02 — THE GRID BEFORE THE ENERGY

The grid is drawn before AccuREP tunes it

AccuREP works between deliveries, trimming the next pulse to the impedance it has just measured; it holds no opinion about where on your face that pulse should land. That decision comes out of the EVE Muse 3D capture and the five-light-source reading, which show your director which zones have lost hold and which skin is thin enough to deserve a lower setting. The 600 shots are then allocated against that picture — heavier along a jaw edge that has started to blur, lighter over a cheek that is still holding, and none at all in a zone that is not asking for them yet.

03 — DIRECTOR-PERFORMED

Six hundred placements, one hand

A full-face tip is hundreds of individual placements, and the outcome depends on none of them being rushed, skipped or doubled. Marking the grid, stamping it out, and running the periorbital protocol on its own 450-shot Eye tip are all done by the director who read your scan.

Thermage FLX console and monopolar radiofrequency system at Dear Clinic
An authentic Thermage FLX system, maintained and operated in-clinic.
Thermage provider certification displayed at Dear Clinic
Certified provider status — genuine tips and protocol, verified on site.
In the clinic

The devices and hands behind this treatment

Official certified-clinic plaque — Thermage FLX (Solta Medical / Bausch Health)
Official certified-clinic plaque — Thermage FLX (Solta Medical / Bausch Health)
VIP single treatment room with a blue velvet armchair and gold side table at Dear Clinic Cheongdam
VIP single treatment room with a blue velvet armchair and gold side table at Dear Clinic Cheongdam
Procedure room with a powered treatment table, IV stand and infusion pump at Dear Clinic Cheongdam
Procedure room with a powered treatment table, IV stand and infusion pump at Dear Clinic Cheongdam
Pricing

How much does Thermage
cost in Korea?

Here the price is attached to a physical object. A Thermage tip is a sealed, single-use consumable with a fixed number of shots inside it, which is why a face treatment and an eye treatment are two separate prices rather than one session fee with an add-on tacked on. At Dear Clinic in Cheongdam the full-face tip is ₩2,200,000 (≈ $1,570) for 600 shots and the dedicated Eye protocol is ₩2,200,000 (≈ $1,570) for 450 shots, published once and quoted the same way to residents and to visitors. How those shots are distributed across your face is drawn from the 3D diagnosis and agreed with you before the seal is broken.
ProtocolIncludesPrice
Full-face · 600 shotsStandard face tip — planned to your diagnosis₩2,200,000 (≈ $1,570)
Eye Thermage · 450 shotsDedicated Eye tip for the periorbital area₩2,200,000 (≈ $1,570)
Every planEVE 3D + AI diagnosis · doctor consultation · aftercare guidanceincluded

Rates current as of September 2026. A tip cannot be half-used, so what you sign off is exactly what gets delivered: no mid-treatment upgrade, no add-on line at the desk. If the reading points to a course-based radiofrequency platform or to a focused-ultrasound lift, the consultation says so and no tip is unsealed that day.

Caution

The week after a 600-shot tip

One visit, one high-energy tip. The flush it leaves reads stronger than after a gentle course device, and warm, pink skin for the first several hours is the ordinary picture.
Cheeks and brow can feel sore under pressure for a day or two, and the Eye protocol often leaves brief swelling around the lids. Both settle without intervention.
While the dermis is still working through the energy, keep extra heat off the face: steam rooms, saunas, heated workouts and sunbathing all wait a few days.
Set aside acids, retinoids and physical scrubs until the tightness eases, and moisturise more than feels necessary — dermal heating pulls at the barrier even when the surface looks fine.
Uncommon, and worth naming anyway: a small surface burn or blister where heat concentrated, a patch of numbness that takes weeks to fade, or a shallow depression from over-treating one spot. Tell us early if you see any of them.
A tip is repeated at long intervals, so questions surface well after the visit. The aftercare line stays open, and it is included in the price of the tip.
Mauve DEAR lettering above the Floor A reception counter at Dear Clinic Cheongdam
Mauve DEAR lettering above the Floor A reception counter at Dear Clinic Cheongdam
Medical Team

Five doctors, one standard

Director-performed treatment is a Dear promise — your procedure is planned and performed by the doctors below.

Dr. Jemin Kim — Medical Director and Founder, Dear Clinic
Dr. Jemin Kim
Yonsei University College of Medicine
Medical Director · Founder
Dr. Sanghyun Lee — Director, Dear Clinic
Dr. Sanghyun Lee
Seoul National University College of Medicine
Director
Board-certified · Family Medicine
Dr. Seonhaeng Lee — Director of Aesthetic Medicine, Dear Clinic
Dr. Seonhaeng Lee
Chosun University College of Medicine · Residency, Samsung Medical Center
Director, Aesthetic Medicine
Dr. Daeun Jung — Director, Dear Clinic
Dr. Daeun Jung
Ajou University College of Medicine
Director
Board-certified · Family Medicine
Dr. Woojae Jung — Director of Aesthetic Medicine, Dear Clinic
Dr. Woojae Jung
Seoul National University — B.S. in Medicine
Director, Aesthetic Medicine
Patient Reviews

What our patients say

Real verified reviews from our Google Business Profile.

4.9★★★★★ 293 Google Reviews
FAQ

Thermage FLX, answered

Is Thermage FLX worth it?
If the looseness is in your skin envelope — firmness, texture, a jaw edge that has started to soften — monopolar radiofrequency is the most studied non-surgical answer to it, and FLX is its current generation. If the descent sits deeper, at the SMAS, focused ultrasound is the better instrument and we say so before a tip is opened. What a 600-shot tip buys therefore depends on which layer your scan finds the problem in. Layer first, device second.
How much does Thermage cost in Korea?
At Dear Clinic, full-face Thermage FLX is ₩2,200,000 (≈ $1,570) for 600 shots, and Eye Thermage is ₩2,200,000 (≈ $1,570) for 450 shots — one published price list for locals and international visitors. The exact shot count is planned from your 3D diagnosis and approved by you before treatment.
How is Thermage different from HIFU lifting like Ultherapy?
They work on different layers. Thermage’s radiofrequency heats broadly across the dermis for tightening and texture; HIFU such as Ultherapy Prime is focused into the deeper SMAS layer for lift. Many faces benefit from one, some from both in sequence. Because Dear carries both, the recommendation follows the diagnosis instead of the equipment list.
Does a Thermage tip hurt?
You feel a pulse of deep heat with each placement, hundreds of times across a full face. Vibration during delivery and the tip’s cooling take most of the edge off, topical numbing is available, and the sensation ends with the last stamp.
When do results appear, and how long do they last?
Some tightening is felt straight away as existing collagen contracts. The slower change builds over the months that follow, as new collagen forms. How long it holds varies with your skin, your age and your habits, so the next session is planned at review instead of being promised as an interval in advance.
Is there downtime after a Thermage tip?
Not in the sense of hiding indoors. Skin runs warm and pink for a few hours after a full-face tip and the eye area can look slightly fuller; both settle on their own. Nothing is broken on the surface, so cleansing, makeup and your evening plans carry on as normal. It is only extra heat that has to stay off the face for a few days.
How many shots will I need?
Full-face plans are delivered in 600-shot tips (₩2,200,000 (≈ $1,570)), and the periorbital protocol in 450-shot Eye tips (₩2,200,000 (≈ $1,570)). A tip cannot be split or half-used, so the plan is a whole number of tips, drawn from your 3D diagnosis and shown to you before anything is unsealed.
Can a tip be opened on the same day as my consultation?
Usually yes, and telling us in advance means a tip is set aside for your name. The 3D reading and the doctor’s assessment are the first part of the visit; if they confirm the layer, the grid is marked and treatment follows straight on. Dear is open 365 days a year, so weekends and public holidays are bookable too.
Is the device and tip genuine?
Dear Clinic is a certified Thermage provider and has held that certification three years running — the certificate hangs in the clinic and is photographed on this page. Every tip is single-use, and the counter inside the handpiece reads an unused tip at the start of your session.
Thermage FLX or Density — which radiofrequency is which?
Both are monopolar. Thermage FLX uses a sealed single-use tip with automatic energy tuning and is a one-visit treatment repeated at long intervals; Density is a repeatable platform with tiered tips, priced per 300 shots, that suits a course spaced more closely. Which fits depends on your skin and the rhythm you want, and both are decided at diagnosis because Dear carries them both.
Is there anyone you turn away for Thermage?
Yes. A pacemaker or another implanted electronic device is a contraindication for monopolar radiofrequency, and those cases are declined outright. Active inflammation or a broken surface inside the treatment zone postpones the session until it has healed, and descent that the scan places at the SMAS is redirected to focused-ultrasound lifting before any tip is unsealed.
I am visiting Korea — is the price different, and how do I book ahead?
The price is the line locals read: ₩2,200,000 (≈ $1,570) for the 600-shot face tip and ₩2,200,000 (≈ $1,570) for the 450-shot Eye tip. You settle in KRW; the dollar figure beside it is a reading conversion. Send your dates through the form below and you have an English reply within one business day, with the slot held and no deposit taken. Booking early matters more here than for most treatments, because a single-use tip has to be set aside for your date.
Consultation

Ask about Thermage FLX

Your questions, answered in English within one business day.

Scientific Evidence

Two decades of monopolar RF research — peer-reviewed sources

Monopolar radiofrequency is among the longest-studied non-surgical tightening technologies, and this is the device most of that literature was written around. The trials below are the reason our directors treat an energy setting as something that has to be argued for from the impedance and thickness of your own skin, and never carried over from the previous patient.

Each entry resolves to a DOI in an indexed journal — including a periorbital study that speaks straight to the Eye protocol, and a head-to-head against microfocused ultrasound. That last comparison is the one that determines whether a tip is opened for you at all once the EVE 3D + AI reading is in.

  1. Alhaddad M et al. A Randomized, Split-Face, Evaluator-Blind Clinical Trial Comparing Monopolar Radiofrequency Versus Microfocused Ultrasound With Visualization for Lifting and Tightening of the Face and Upper Neck. Dermatologic Surgery. 2019. doi:10.1097/dss.0000000000001653
  2. Fitzpatrick R et al. Multicenter study of noninvasive radiofrequency for periorbital tissue tightening. Lasers in Surgery and Medicine. 2003. doi:10.1002/lsm.10225
  3. Suh DH, Choi JH, Lee SJ, et al. Comparative histometric analysis of the effects of high-intensity focused ultrasound and radiofrequency on skin. J Cosmet Laser Ther. 2015;17(5):230-236. doi:10.3109/14764172.2015.1022189
  4. Alexiades-Armenakas M, Newman J, Willey A, et al. Prospective multicenter clinical trial of a minimally invasive temperature-controlled bipolar fractional radiofrequency system. Dermatol Surg. 2013;39(2):263-273. doi:10.1111/dsu.12065
  5. Araújo A et al. Radiofrequency for the treatment of skin laxity: mith or truth. Anais Brasileiros de Dermatologia. 2015. doi:10.1590/abd1806-4841.20153605

References are provided for information — outcomes vary by individual and are assessed at your diagnosis.

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