Thermage FLX in Seoul — radiofrequency skin tightening for face and eyes
Area-focused improvement solution
Overview
Thermage FLX in Seoul is a monopolar radiofrequency treatment that heats the deep dermis evenly across the whole treated area, so skin tightens as new collagen forms over the following months. Where Ultherapy works in focused points, Thermage works in a field — which is why it is often the choice for overall firmness, crepey eye-area skin and refining the facial contour.
At VOS Dermatology in Gangnam, Dr. Hongseok Kim uses Thermage FLX with its AccuREP energy tuning and vibration comfort system, and decides the tip and shot count only after seeing your skin. Immediate tightening is common; the fuller change arrives over 2–6 months and varies from person to person.
Is Thermage FLX right for you?
- Those who want to firm sagging, weakened skin
- Those who want natural results through non-surgical lifting
- Those who need facial contour refinement
- Those who want both immediate effects and long-term improvement
- Those who seek to improve sagging skin and enhance elasticity
- Those who look for natural results with non-surgical lifting
What Thermage FLX does in the skin
01This RF lifting treatment uses gentle heat to reach deeper skin layers, naturally boosting collagen production for firmer, smoother skin.
Thermage FLX is an advanced anti-aging treatment that harnesses radiofrequency (RF) technology to rejuvenate your skin. This procedure works by delivering controlled heat to deeper skin layers while keeping the surface cool and comfortable. The treatment effectively targets common aging concerns like skin laxity, fine lines, and enlarged pores. By stimulating your skin’s natural collagen production, Thermage FLX helps restore firmness and elasticity, creating a smoother, more youthful appearance. The lifting and tightening effects continue to improve over time as your skin produces new collagen. Aging skin with reduced elasticity Restoring healthy, regenerated collagen
02Clinically Proven Safety and Efficacy
Thermage FLX, developed by Solta Medical in the USA, is a trusted anti-aging treatment with FDA and MFDS approvals. With over 20 years of proven results, it offers both safety and effectiveness for our clients.
03AccuREP™ Technology for Precise and Comfortable Treatments
Smart Energy Control: The advanced system automatically adjusts energy levels for each area, ensuring consistent and suitable results with every treatment. Comfortable Treatment Experience: Built-in cooling technology keeps your skin comfortable throughout the procedure, minimizing any discomfort while maximizing results.
Step 1: Position the treatment tip on the skin.
Step 2: The cooling system activates, and the automatic tuning process begins.
Step 3: RF energy penetrates deep into the skin, accompanied by vibrations.
Step 4: Cooling is maintained throughout RF energy delivery..
Step 5: The cooling system continues to protect the skin during the final stage.
04Targeted Solutions with Specialized Tips
Each specialized tip is designed to deliver safe and satisfying results for different facial areas. Total Face Tip: complete for treating larger areas like cheeks and forehead with precision Eye Area Tip: Designed specifically for the delicate eye area, gently treating fine lines and wrinkles. Thermage
Session, comfort, downtime, results
- Session time
- Less than 1 hour
- Comfort
- Cooling gel and built-in vibration; nitrous-oxide sedation available
- Downtime
- None — temporary redness or mild swelling settles within hours
- Results
- Immediate tightening, then gradual improvement over 2–6 months; typically lasts 1–1.5 years (varies)
- Achieve Lifting and Tightening in One Treatment with RF Energy
- Non-invasive laser procedure—no needles, no incisions
- Long-lasting results with just one session, up to 1 year
- Treatment Time: less than 1 hour
- Cooling pulses for pain management
- Immediate return to daily activities post-treatment
Results, timing and recovery vary from person to person. Nothing here replaces an in-person consultation.
Thermage FLX Pricing at VOS
Based on VOS Dermatology’s official price list as of October 16, 2026.
Prices are in KRW and are subject to 10% VAT. The same pricing applies to all patients, regardless of nationality.
The appropriate number of shots and treatment sessions will be determined during your consultation with Dr. Kim.
Thermage FLX
- 600 Shots₩2,400,000
Thermage FLX Eye
- 450 Shots₩2,200,000
Related treatments
Ultherapy Prime
Non-surgical focused-ultrasound lift for an early-sagging jawline, brow and under-chin
Skin Elasticity ImprovementFine Wrinkle Care- Those concerned about a sagging jawline with age
- Those who want overall improvement in wrinkles and skin elasticity
From ₩480,000 before VAT
How Ultherapy Prime works
Oligio XM
RF tightening that builds elasticity, density and smoother texture
Elasticity & DensitySmoother Texture- Skin that feels thinner or less firm than before
- Those who want firmer, denser-feeling skin
From ₩800,000 before VAT
How Oligio XM works
Sofwave
Sofwave fills skin elasticity without harsh pulling
Wrinkle ImprovementCollagen Regeneration- Those who want collagen and elastic fiber production
- Those who want a brow-lifting effect
From ₩600,000 before VAT
How Sofwave works
Questions patients ask about Thermage FLX
How much does Thermage FLX cost in Seoul?
Who is Thermage FLX for?
Is there any recovery time?
What happens during the treatment — does it hurt?
When do results appear and how long do they last?
What exactly is Thermage FLX?
Sources and related searches
Sources: Thermage FLX — official site (Solta Medical)
People also search: Thermage eyes · Thermage FLX before and after
About Dr. Hongseok Kim
Dr. Kim performs your Thermage FLX himself — from the first skin analysis to the follow-up check.
Dr. Kim focuses on aesthetic dermatology — skin regeneration, facial contour and healthy ageing — and builds each plan from a close look at the individual patient's skin and goals, aiming for natural, refined results.
At VOS the same specialist is responsible for the whole course of care: diagnosis, the procedure itself and follow-up. An accurate reading of skin structure and how it changes is what makes results more complete and keeps the risk of side effects low.
Credentials & appointments
- Current
- Medical Director, VOS Dermatology Clinic
- Board-certified dermatologist
- Education
- Graduated first in class, medical school
- Academic appointments
- Adjunct Professor, Dept. of Medical Aesthetics, Cheongju University
- Adjunct Professor, Dept. of Beauty Medical Science, Dongguk University
- Professional leadership
- Director, Korean Dermatologist Association (KDA)
- Director, Korean Association for Anti-Aging Dermatology (KAAD)
- Committees
- Academic Committee Member, Korean Dermatological Association
- Information Committee Member, Korean Dermatologist Association (KDA)
- Memberships
- Korean Society for Dermatologic Functional Medicine
- Korean Society for Laser Medicine and Surgery
Brand advisory
- Skincare
- The Scent
- SkinCeuticals
- La Roche-Posay
- AHC
- Bioderma
- Etat Pur
- Injectables
- Juvelook
- Revive
- Lafullen
- Rejuran
- Devices
- Ulthera
- Thermage
- Sofwave
- CoolSculpting
- Mirajet
Lecturing, live demonstrations and brand education — in Korea and across Asia.
- presentations & lectures listed
- 116
- years covered by the list
- 2016–2026
- in 2023, the busiest year listed
- 25
LectureJULIA SUMMIT GLOBALJuvelook Journey — invited lecture · 2025 
ConferenceAPS Korea 2026Aesthetic Plastic Surgery Korea · 2026 
Conference28th KDA Spring ConferenceKorean Dermatologist Association · 2026 
ConferenceKOREADERMA 2025COEX, Seoul · 2025 
Live demoIMLG 2025Live injection training for international physicians · 2025 
LectureJULIA SUMMIT ASIA 2025Presentation, Hong Kong · 2025 
Live demoIMLG 2025Faculty & attendees · 2025 
Brand eventSkinCeuticalsNext Beauty Code, Taiwan · 2025 
Live demoIMLG 2025Live demonstration, explained step by step · 2025 
Brand eventCOSRXBrand event, Seoul · 2025
Selected international & major meetings
- 2026
- APS Korea 2026
- 28th KDA Spring Conference
- Invited lecture, Baim Global Jupiter Symposium
- 2025
- JULIA SUMMIT GLOBAL – Juvelook Journey
- JULIA SUMMIT ASIA 2025Hong Kong
- KOREADERMA 2025
- SkinCeuticals: Next Beauty CodeTaiwan
- 9th KDA procedural skills training
- 2024
- AMWC-TDAC Taiwan
- Juvelook Launching Symposium in Taiwan
- KSDS 2nd International Congress Seoul
- 1st Ulthera Focus Group Meeting
Show 2 earlier yearsShow fewer
- 2023
- AMWC Japan
- 41st Annual Meeting, Japanese Society of Aesthetic Dermatology
- ACDS 2023
- MEVOS Dalian
- 2022
- ASLMS (American Society for Laser Medicine & Surgery)
- 13th I-SWAM Indonesia Convention Exhibition
Broadcast
- Morning N — hyperhidrosis and choosing cosmetics
- “Golden time of skin lifespan” (Jul 2021)
- Park Yong-kwan's Radio Show — regular Monday guest
- Good Morning — spring sunlight and skin (Mar 2023)
- Jo Woo-jong's FM Daehaengjin — Dr. Family corner
- Men On Air — summer skin care
Papers & books
- Juvelook Comparative Pain Assessment
- Cosmetic Counseling Expert Course
- Cosmetic Ingredients for Skin Care
Source: VOS Dermatology's official Korean profile of Dr. Kim.
Meet Dr. KimCreators who filmed their treatment at VOS.
Each video comes with Dr. Kim's notes on what was done, why, and the listed price. Opinions are the creators' own; results vary.
Gouri and Belotero Revive in Seoul: A Mother’s Skin Booster Case
Rina brought her mother, visiting from abroad, for a surprise skin treatment. I explain why we paired Gouri, a PCL collagen stimulator, with Belotero Revive, and what to expect.
Juvelook, Botox and Rejuran Lips in Seoul: A Natural Refresh Case
Oxana wanted to refresh her lower face and neck without looking done. I explain her combination of laser, Juvelook, botox and Rejuran in the lips, and why lips can be treated for quality, not volume.
Redness, Pores and Uneven Tone in Seoul: A Real Patient Case
Aizhan came to Seoul with three concerns at once: redness, enlarged pores and uneven tone. I explain how I build one plan for skin like hers, and what it realistically changes.
Skin Botox + ECM Booster in Seoul: A Real Case for Textured Skin
Heli’s skin looked textured and stiff even under makeup. I explain why we paired skin botox with an ECM booster, what ECM actually means, and how the plan was built for her skin.
Skin Botox + Rejuran HB in Korea: A First-Timer’s Real Case
Suhandi was scared of needles and had never had a skin treatment. I explain why we paired skin botox with Rejuran HB, what the session felt like, and when results show.
Thulium Laser, CO₂ Spot Removal and Nuviju in Seoul: A Real Case
Manel stopped posting because she no longer liked her skin. I explain her one-visit plan: a full-face thulium laser, CO₂ for spots and Nuviju for the chin and jawline.
Ultherapy Prime for a Double Chin in Korea: A Real Case
Krisha flew to Seoul to tighten the area under her chin. I explain what Ultherapy Prime does there, when a double chin is fat rather than laxity, and what to expect after.
VOS Dermatology Blog
Plain-language guides written by Dr. Hongseok Kim, board-certified dermatologist — treatments, recovery, cost and planning your visit to Seoul.
Korean lips filler and your flight home: the days in between
Korean lips filler often swells most on days two and three. A Gangnam dermatologist on the days to keep in Seoul before flying. VOS Dermatology, Gangnam
PDRN eye drop Korea: five mix-ups about drops, serums and PN
PDRN eye drop Korea: what a dropper serum can do for under-eye skin, what belongs in the eye, and how PN injections are different. VOS Dermatology, Gangnam
PN Skin Booster Korea: Why One Trip Rarely Covers the Course
PN skin booster Korea plans: Rejuran runs three sessions a month apart. How to fit them around flights, recovery and follow-up at home. VOS Dermatology…
Hilo wave filler hyaluronic acid korea: skin quality vs volume
hilo wave filler hyaluronic acid korea: VOS Dermatology, Gangnam on what this dual HA booster does, who it suits, and when a volume filler fits instead.
Korean face filler on a short trip: the first 14 days
Planning korean face filler in Seoul? A dermatologist maps bruising and swelling day by day and when to book before you fly. VOS Dermatology, Gangnam
Korean lip filler latest: is newer safer? Not by itself
Korean lip filler latest: the softer look people ask for now, lip boosters, and the swelling and vessel risks that haven't changed. VOS Dermatology…
What international patients wrote on Google Maps.
Screenshots of public reviews left on Google — in their own words, unedited. Experiences and results vary from person to person.
Before you book, hear it from the doctor himself.
Slide through 17 videos on lifting, skin boosters and travelling for treatment. Korean audio — everything plays right here.
Travel"Flying tomorrow, no bruising or swelling?" Top 3 No-Downtime Lifting (Ultherapy prime,Sofwave,Opus)
LiftingAfter Ulthera & Thermage, What's Next? Dermatologist with 21 Years of RF Experience Breaks It Down!
Skin boostersA Dermatologist with 21 Years of Experience Breaks Down the Skin Booster Family Tree
JuvelookMust-Know Before Getting JuveLook! | What It Can & Can’t Do, Clinic Tips by Dr.DTS
JuvelookPairing Juvlook with This Can Double the Firming Effect (And Ease Nodule Concerns)
JuvelookEverything About Juvelook — Effects, Real Treatment Review, Rejuran Comparison
Skin boostersDoctors Won’t Talk About This Treatment Yet… So I’m Revealing Everything | ECM Skin Booster Q&A
Skin boostersWhy does 'that' super famous skin booster contain 'filler' ingredients?
Skin boostersGOURI Is Korea’s Hottest Skin Booster — But What About the Bruising?
Anti-agingSurface Treatments vs Deep Treatments | Which One Actually Makes You Look Younger?
AftercareDid you just pay a fortune for a dermatology treatment? You'll 100% regret skipping this video.
Dr. KimSorry to my patients... I tried it on myself first (21-Year Derm's Self-Treatment Full Process)
BodyTrapezius Slimming for Sharp Shoulders ✨ How to Get That Clean, Angular Look (Spring/Summer Must)
Travel22-Hour Flight + High-Altitude UV: The One Thing a Dermatologist Used the Whole Time
ResearchScientists Erased a “Mark of Aging” Once Thought Irreversible | A New 2026 Aging Study | Dr. PIALNAM
PoresWhy Your Pores Won’t Shrink | What Actually Works? | Dr. DTS
SkincareWhy Your Expensive Vitamin C Isn’t Working｜How to Use It for Better Absorption｜Dr. PIALNAM
VOS Shorts
Get to know VOS in seconds — 60-second answers from Dr. Kim to the questions you’d ask in the chair. Everything plays right here.
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Boost Your Results with Sofwave!
RE-TOURN! It's Different from Collagen Injections
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Hands-Free Exercises to Smooth Out Smile Lines
The Secret Habit of People Who Stay Healthy and Live Longer (Worth Millions)
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