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Front-facing portrait showing the width of the lower face, the outline a V-line slimming plan is measured against at Dear Clinic
Dear Clinic · Concerns · Lower Face Width
Non-Surgical Only — Muscle, Gland, Fat, Slack

V-Line Slimming in Cheongdam, Gangnam, Seoul

Jaw and face slimming here is injection and energy work only. Dear Clinic performs no jaw-bone reduction and no orthognathic surgery, so this page maps what a wide-reading lower face can be given when the bone stays untouched — and says plainly when the answer is nothing.

Four treatable causes, one bone limit Masseter route from ₩40,000 (≈ $30) Open 365 days
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Scope

What V-line slimming means when no bone is cut

A slimmer lower-face outline without surgery comes from four levers: relaxing an overbuilt chewing muscle, settling a prominent salivary gland, reducing a pad of fat under the chin, and holding slack soft tissue back along the jaw line. Each lever belongs to a different tissue, so the first job of the consultation is deciding which one is actually making your face read wide.

The word that reaches us most often is the marketing word, and the searches behind it split two ways. Some people want the outline that bone surgery produces, which is a procedure Dear Clinic does not perform at any price. Others have a soft-tissue cause that injections and energy can genuinely change. Telling those two apart on day one saves a great deal of money and disappointment, so it is where this page starts.

Every route described below is published on our rate list and carried out in this building, and each has its own detailed page with protocol, dose logic and aftercare.

A client leans into the EVE 3D skin analysis unit while the scan is reviewed on a tablet
The outline is recorded in 3D before any route is named, so the cause is separated from the wish.
Causes

Five reasons a lower face reads wide — four we can treat, one we cannot

They feel identical in a mirror and behave completely differently under a finger.

CAUSE 01

An overbuilt chewing muscle

The masseter sits over the jaw angle and thickens with clenching, grinding and chewy diets. It bulges under your fingers when you bite down, and it is the cause most likely to change visibly with an injection.

CAUSE 02

A prominent salivary gland

A soft swelling low and slightly behind the jaw angle, sometimes more noticeable on one side. It is glandular tissue, so toxin aimed at muscle does nothing for it and a separate injection line is used.

CAUSE 03

A fat pad under the chin

Fullness that sits below the jaw and blurs the angle between chin and neck, often persisting at a stable weight. Squeezed gently, it stays soft and mobile, which is how it is told apart from muscle and gland.

CAUSE 04

Soft tissue that has slipped forward

Where the jaw line was once continuous, descending tissue now breaks it and the face reads wider at the bottom than at the cheekbone. This is a support problem and it is answered mechanically or with depth energy.

Cause 05, and the one that ends the conversation: a genuinely wide mandible. When the width lives in bone, no injection, thread or energy platform will narrow it, because none of them touch bone. Dear Clinic performs no bone reduction and no orthognathic surgery, and where the reading is bone we tell you at the first visit instead of selling a course that cannot deliver the outline you came in holding a photograph of.

Diagnosis

How a V-line consultation separates muscle from gland, fat and bone

EVE Muse captures the face in 3D under five light sources with AI analysis over the result, giving a record of the outline, its symmetry and the skin covering it. Over that reading your director works by hand, because the four causes are told apart by touch: what hardens when you clench, what stays soft under pressure, what moves when the head turns, and what does not move at all.
Clench test. A firm bulge that appears and disappears with biting is muscle. This is the finding masseter toxin is designed for.
Soft mass behind and below the angle. Glandular fullness sits lower and further back than the muscle and stays soft while you clench. It has its own injection line and its own published rate.
Pinchable fullness under the chin. Fat that can be held between two fingers at a steady weight is the pad that injection lipolysis targets, by area and in published volume steps.
A jaw line broken by a shadow in front of the chin. That is descent, and the answer is a thread vector or focused ultrasound at depth instead of anything aimed at width.
Hard, unchanging width right on the angle. Bone. We name it, we show you where it sits on the 3D capture, and we decline the booking.

Two causes together is the usual finding, and the plan then runs in sequence with an interval written between the appointments, because judging the first before adding the second is the only way to know which one was doing the work.

The Routes

The four non-surgical V-line routes Dear Clinic actually runs

Every row below is stocked here, published here, and linked to the page that explains it in full.

ROUTE 01

Masseter toxin for muscle-built width

Botulinum toxin placed inside the chewing muscle so that the bulk it carries reduces with use. Published at two tiers, Korean and premium imported. Full protocol on the jaw botox page.

ROUTE 02

Special-area toxin for a prominent gland

The same molecule, a different target and a different depth, on the specialty line that also covers nostril, temple, gummy smile and philtrum work. See the salivary gland page.

ROUTE 03

Injection lipolysis for the pad under the chin

Injection lipolysis given per area in published volume steps, for soft fullness that survives a stable weight. See the lipolysis injection page.

ROUTE 04

Threads and ultrasound for a broken jaw line

Absorbable PDO or PCL threads on a mapped vector, or focused ultrasound at depth in 300-shot sessions. See the thread lift and Shurink Universe pages.

RouteTissue it acts onCause it answersListed rate
Square jaw toxin, Korean tierChewing muscle over the jaw angleCause 01 — muscle-built width₩40,000 (≈ $30)
Square jaw toxin, premium imported tierSame muscle, imported product lineCause 01 — muscle-built width₩350,000 (≈ $250)
Special-area toxin, Korean tierSalivary gland and other specialty targetsCause 02 — glandular fullness₩60,000 (≈ $45)
Injection lipolysis, 40cc per areaSoft fat pad beneath the chinCause 03 — submental fullness₩80,000 (≈ $55)
Thread lift, per threadSoft tissue moved along a vectorCause 04 — a jaw line that has slipped₩100,000 (≈ $70)
Shurink Universe, 300 shotsFocused ultrasound at the supporting layerCause 04 — early descent, or upkeep₩150,000 (≈ $105)
Ultherapy PrimeImaging-guided ultrasound, 1.5 / 3.0 / 4.5 mmCause 04 — settled descent, mapped in blocksQuoted per shot map — see its page
Jaw reduction surgeryMandibular boneCause 05 — bone widthNot performed at Dear Clinic

Rates are published in KRW with an approximate USD figure beside them, and visitors pay the same published figures as Korean patients. Toxin rows are listed by tier because the product line changes the rate while the target and the technique stay the same; the full list sits on the published price list.

Matching

Which V-line route suits which lower face

Read down until one of these sounds like the face in your own photographs.

Wide at the angle, hard when you clench, slim across the cheek and temple. Masseter toxin alone, dosed to your muscle and reviewed before any thought of a second area. This is the single highest-yield route on the page.
Wide at the angle and soft under the chin. Two causes, two appointments. The muscle route usually goes first because its change is easier to judge, and the fat pad is addressed afterwards.
Lower face heavy but the jaw angle itself is normal. Look at descent and at the fat pad before anything is injected into muscle. Relaxing a muscle that was never the problem changes how you chew and leaves the outline where it was.
One side fuller than the other, low and behind the angle. That asymmetry usually points at the gland, and it is assessed on the specialty line at its own rate.
A short chin under a normal jaw. Width is a proportion problem here, and narrowing is the wrong idea. Projection is discussed separately and is never bundled into a slimming quote.
Hard, wide bone with thin soft tissue over it. Nothing here applies. You are told so, you are not booked, and the consultation ends with a straight answer.
Limits

The bone line: where V-line slimming stops at Dear Clinic

Four boundaries, stated before you book rather than after you have paid.

Bone is untouchable here. Angle reduction, mandible contouring and orthognathic surgery are operations performed under general anaesthesia in a surgical hospital. We do not perform them and we do not arrange them.
Muscle change is a degree, not a redesign. Relaxing the masseter softens the corner of a lower face. It does not build a new jaw outline, and photographs that show one usually show a different bone underneath.
Fat work is measured in areas and sessions. Injection lipolysis is published per area for a reason: a pad is treated in stages, judged between them, and stopped when the reading says stop.
Nothing on this page is permanent. Toxin wears off and the muscle rebuilds if the clenching continues, threads absorb, and collagen from heat is remodelled again. A plan buys an interval and a review date.
Dear, Knowhow

Why a lower-face width plan is written differently at Dear

01 — THE FULL ARSENAL

Toxin, injection lipolysis, threads and ultrasound on the same two floors

Four causes need four unrelated instruments, and all four are stocked at 5F and 7F along with the diagnostic capture that separates them. Because none of them is the one thing we happen to own, a consultation that ends in the cheapest route on the list costs us nothing to give.

02 — DIAGNOSIS FIRST

The clench test comes before the price list

Muscle, gland, fat, slack or bone. One finding, then one route.

03 — DIRECTOR-PERFORMED

Masseter depth and gland depth are different millimetres

Toxin placed too superficially over the jaw angle reaches the wrong muscle and can change a smile; placed too far forward it weakens the bite. Your injection is director-performed by the doctor who ran the clench test and marked the field, and that same doctor reviews the result.

Ultherapy Prime system at Dear Clinic Cheongdam, seen from the front with its treatment screen
Where the cause is descent instead of width, the imaging-guided ultrasound platform is the instrument that applies.
Shurink Universe HIFU console seen at a three-quarter angle, the accessible focused-ultrasound tier used for early jaw-line descent
The accessible ultrasound tier, planned in 300-shot sessions for an early jaw line.
In the clinic

The devices and hands behind this treatment

Shurink Universe HIFU system with its face and body handpieces docked on either side of the console at Dear Clinic
Focused ultrasound, kept for the descent cause and never sold as a width treatment
Director explaining which lower-face cause the reading found, using a tablet during consultation at Dear Clinic
The cause, the route and the total are shown on screen before a syringe is opened
Timing

What the first six months of a slimming plan look like

Each route moves on its own clock, which is why stacking them in one afternoon helps nobody.

Weeks one to two. Muscle relaxation begins to register as a change in how firmly you can bite down, before the outline itself shifts.
Weeks four to eight. The muscle has reduced with disuse and the outline is at its most readable. This is when the first photographs are worth taking at the same angle and distance as the originals.
Fat and thread work on separate dates. Injection lipolysis is reviewed per area between sessions, and a thread vector is checked once the swelling has gone at one to two weeks.
Around the half-year mark. Muscle bulk returns gradually if the clenching habit continues, which is why we ask about night grinding and stress before quoting anything at all.
Individual variation is the rule here. Starting muscle thickness, bite habits and metabolism all move these intervals, and your director gives a conservative expectation with a date to come back.
01
Muscle read by clench
02
Gland read by position
03
Fat read by pinch
04
Bone read, then declined

Outcomes differ between individuals and are assessed at your in-person diagnosis.

Pricing

How much does non-surgical jaw slimming
cost in Cheongdam?

The published units are the right place to start. Masseter toxin is ₩40,000 (≈ $30) at the Korean tier and ₩350,000 (≈ $250) at the premium imported tier. Specialty-area toxin, which covers the salivary gland target, is ₩60,000 (≈ $45). Injection lipolysis is ₩80,000 (≈ $55) for 40cc per area. Threads are ₩100,000 (≈ $70) per thread, and an entry ultrasound session is ₩150,000 (≈ $105) for 300 shots.

Two things move a total away from those figures. The first is how many causes your face actually carries, since a two-cause plan is two appointments with an interval between them. The second is your own muscle: a thick masseter takes more units than a slender one, and the unit count is agreed with you before the vial is opened. The tier decision is yours and is made out loud, because the target and the technique are identical across both rows.

Visitors from abroad pay the same published figures as Korean patients, with no surcharge of any kind. Where the cause is descent and the right instrument is imaging-guided ultrasound, the quote follows the shot map from your scan. Consultation and follow-up arrangements are explained at your appointment.

Where the reading is bone, there is no quote at all, because there is no treatment here that would earn it.

Dear 10 Selection, Dear Clinic October 2026 event (prices in Korean won, VAT excluded, identical for locals and international visitors): Ultherapy Prime 400 shots ₩1,320,000 · Ultherapy Prime 500 shots ₩1,650,000 · Ultherapy Prime 600 shots ₩1,980,000 · Thermage FLX 600 shots ₩1,900,000 · XERF 600 shots ₩1,600,000 · Dear Total Face Care: Ultherapy Prime 500 + Eye Thermage 450 + PN eye booster 1cc ₩3,700,000 · Thermage FLX 600 + PN booster HB 4cc + CaHA collagen booster 1 vial ₩3,400,000 · Ultherapy Prime 400 + PN healer 4cc (LDM and numbing included) ₩1,900,000 · Eye Thermage 450 + PDLLA eye booster 2cc ₩2,100,000
Dear 10 Selection · October lifting event — tap to book
 Dear 10 Selection, Dear Clinic October 2026 event (prices in Korean won, VAT excluded): Skin Revital Care: Potenza pumping + PDLLA skin booster 5cc ₩500,000 · PN booster HB 4cc ₩750,000 · PN healer 4cc + PN eye booster 2cc (LDM and numbing included) ₩850,000 · HA skin-quality booster 2cc ₩700,000 · RE2O 1 session ₩700,000 · Defined Volume Care: Eye Light 1cc + PN eye booster 1cc ₩1,050,000 · Chin filler 1cc + jawline filler 1cc ₩850,000 · PLLA collagen stimulator 2 vials ₩1,500,000 · Directors' Picks (Dr. Woojae Jung · Dr. Daeun Jung): Density Alpha 300 shots + PN booster HB 2cc (both cheeks) ₩1,100,000 · Potenza pumping + PDLLA skin booster 5cc, 3 sessions ₩1,150,000 · PN booster HB 4cc with PDLLA skin booster 2cc (both cheeks) ₩790,000 · Onda 80 kJ + Titanium 60 kJ ₩990,000
Dear 10 Selection · October skin revital & volume — tap to book
Caution

Recovery and risks across the four slimming routes

After masseter toxin. Small bruises at the entry points and a few days of mild chewing fatigue are common. Spread to neighbouring muscles can produce a temporary change in the smile or a feeling of weakness when biting hard food; both are dose and depth dependent, which is why the field is marked before anything is injected.
After gland-directed injections. Tenderness and brief swelling at the site, with the same neighbouring-muscle considerations at a different depth. Dry mouth is reported and is discussed before consent.
After injection lipolysis. Swelling, warmth, bruising and a firm tender feeling under the chin lasting several days, sometimes longer, are expected consequences of this route. Nodules, prolonged numbness and skin irregularity are the less common ones, and published reviews of serious events exist in the literature below.
After threads or ultrasound. Threads bring swelling, bruising, a pulling sensation and occasionally dimpling along the path, with infection, asymmetry and a palpable knot as the rare complications. Energy sessions carry a burn risk and can leave transient numbness along the jaw.
Call, do not wait. Spreading swelling, lasting pain, blistering, difficulty opening the mouth, numbness that does not resolve or any colour change means contacting the clinic immediately, before your scheduled review.

Tell your director about neuromuscular disorders, previous toxin or filler in the lower face, implanted electronic devices, bleeding tendencies, pregnancy and breastfeeding. Several of those change the route and one or two rule a session out entirely.

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★★★★★ 310 Google Reviews
★★★★★

The clinic was very professional from start to finish. Doctor Jung was excellent and gentle with the treatment. I felt well looked after and everyone was outstanding. Happy with my service!

Jen — Google review
Jen6 months ago
★★★★★

I've visited clinic for LDM procedure. I don't speak Korean, so there was an interpreter who assisted me while consulting. The staff was very attentive, they asked me every time before applying products/covering my face during the procedure and it went smoothly. Planning to visit the clini…

★★★★★

All the staff are kind, the doctor is professional. They recommended us the treatment that fit us best and last the longest. A very nice experience overall.

★★★★★

I did a hydrofacial, white/black head removal, and 1 day lasers. Really kind staff and reasonable prices. The only thing I would advise is that your first consultation is with a salesperson and you don’t see the doctor until after you decide what you want and after you pay.

★★★★★

Had a great experience here as a foreigner! The doctors and staff were knowledgeable, friendly, and not pushy. They made recommendations in my consultation and were happy to work within my budget.

Read all 310 reviews on Google →
FAQ

V-line slimming in Seoul, answered

Does Dear Clinic do V-line surgery?
No. Jaw angle reduction, mandible contouring and orthognathic surgery are operations performed under general anaesthesia in a surgical hospital, and none of them is carried out here. Everything on this page is injection or energy work on soft tissue. If your reading is bone width, you are told at the first visit and no booking is made.
Can a V-line be achieved without surgery at all?
It depends entirely on what is making your lower face read wide. Muscle bulk, a prominent gland, a fat pad under the chin and slipped soft tissue can all be changed by degrees without surgery. Bone cannot. The four soft-tissue causes are common enough that most enquiries have something to work with, and the consultation is where that is settled.
How much does non-surgical jaw slimming cost in Korea?
At Dear Clinic each route is published separately: ₩40,000 (≈ $30) for masseter toxin at the Korean tier, ₩350,000 (≈ $250) at the premium imported tier, ₩60,000 (≈ $45) for specialty-area work including the gland, ₩80,000 (≈ $55) for 40cc of injection lipolysis per area, ₩100,000 (≈ $70) per thread and ₩150,000 (≈ $105) for a 300-shot ultrasound session.
How do I know whether my wide jaw is muscle or bone?
Put your fingers on the angle of the jaw and bite down hard. A firm bulge that swells and relaxes with the bite is muscle, and that is the pattern toxin answers. Width that feels identical whether you clench or not is bone. Your director confirms this by hand and against the 3D capture, and shows you which one your face has.
What is the difference between jaw toxin and salivary gland toxin?
Different tissue, different depth, different rate. Masseter work targets the chewing muscle over the jaw angle and is published at ₩40,000 (≈ $30) at the Korean tier. Gland work sits lower and further back on the specialty line at ₩60,000 (≈ $45). A face can need one, the other, or both in sequence.
Will injection lipolysis remove my double chin in one visit?
It is planned per area and in stages, at ₩80,000 (≈ $55) for 40cc per area, with the response judged between sessions before more is given. Swelling and tenderness after each session are expected. How many areas and how many sessions your pad needs is set after the pinch assessment, and no fixed number is promised beforehand.
Can threads give me a V-line?
Threads answer descent, and they do it by moving tissue along a mapped vector on the day, at ₩100,000 (≈ $70) per thread. Where your jaw line is broken by a shadow in front of the chin, that is the route. Where the width sits at the angle in muscle or bone, threads are the wrong instrument and we say so.
How long does masseter toxin last before the muscle comes back?
We publish no fixed month figure. The muscle reduces through disuse and rebuilds gradually once the effect fades, and how quickly that happens depends on your starting bulk, your bite habits and whether night grinding continues. Your director gives a conservative expectation and a review date, and the review decides whether a repeat is warranted.
Is a V-line injection the same thing as a slimming injection?
The phrases are used loosely online and cover at least two unrelated treatments: toxin into the chewing muscle, and injection lipolysis into a fat pad. They act on different tissue and answer different findings. We name the actual treatment in your plan so that what you are buying is unambiguous before the consent form is signed.
Does V-line treatment hurt, and how much downtime is there?
Toxin injections are brief and felt as a sting with pressure, and most people return to work the same day with small marks at the entry points. Injection lipolysis is the route with real downtime: swelling and tenderness under the chin for several days. Threads need about a week of care. Comfort measures during any session are settled at your consultation.
Who should not have these treatments?
Anyone with active infection or inflammation in the treatment field waits. Neuromuscular disorders change what is appropriate for toxin, and pregnancy and breastfeeding rule out the injection routes. Implanted electronic devices and metal in the field affect energy sessions. Where the cause is bone, we decline rather than treat something that is not the problem.
I am visiting Seoul briefly. Which of these fits a short trip?
Toxin routes fit easily: the assessment and the injection share one appointment and the marks fade quickly. Injection lipolysis is best started with time in hand because of the swelling, and threads need about a week. We open weekdays 10:00 to 19:00 and 10:00 to 16:00 at weekends and public holidays — 365 days, with no lunch-hour close. Send your dates and we reply in English as soon as possible.
Consultation

Ask which cause is widening your lower face

Your questions, answered in English as soon as possible.

Scientific Evidence

Science behind muscle-directed toxin, injection lipolysis and focused ultrasound — peer-reviewed references

The references below cover the three mechanisms this page prescribes. Two describe the properties and clinical use of botulinum neurotoxin type A, three report controlled trials and a safety review of injectable submental fat reduction, and one is a systematic review of micro-focused ultrasound for tightening.

Each entry is given as title, journal and year with a verifiable DOI. Product names appearing in these titles are the agents the authors studied and are not the products used in any individual plan here; none of these papers is evidence of a particular outcome for your own face.

  1. Carruthers J, et al. The Convergence of Medicine and Neurotoxins: A Focus on Botulinum Toxin Type A and Its Application in Aesthetic Medicine—A Global, Evidence-Based Botulinum Toxin Consensus Education Initiative. Dermatologic Surgery. 2013. doi:10.1111/dsu.12148
  2. Frevert J. Pharmaceutical, Biological, and Clinical Properties of Botulinum Neurotoxin Type A Products. Drugs in R&D. 2015. doi:10.1007/s40268-014-0077-1
  3. Jones DH, et al. REFINE-1, a Multicenter, Randomized, Double-Blind, Placebo-Controlled, Phase 3 Trial With ATX-101, an Injectable Drug for Submental Fat Reduction. Dermatologic Surgery. 2016. doi:10.1097/dss.0000000000000578
  4. McDiarmid J, et al. Results from a Pooled Analysis of Two European, Randomized, Placebo-Controlled, Phase 3 Studies of ATX-101 for the Pharmacologic Reduction of Excess Submental Fat. Aesthetic Plastic Surgery. 2014. doi:10.1007/s00266-014-0364-9
  5. Shridharani SM, et al. Management of Serious Adverse Events Following Deoxycholic Acid Injection for Submental and Jowl Fat Reduction: A Systematic Review and Management Recommendations. Aesthetic Surgery Journal Open Forum. 2024. doi:10.1093/asjof/ojae061
  6. Khan U, et al. A Systematic Review of the Clinical Efficacy of Micro-Focused Ultrasound Treatment for Skin Rejuvenation and Tightening. Cureus. 2021. doi:10.7759/cureus.20163

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

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