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Dear Clinic · Botulinum Toxin · Gummy Smile
Special-Area Placement

Botox for Gummy Smile in Cheongdam, Gangnam, Seoul

A gummy smile is a question of where the toxin goes and how little of it is used. The lip elevators sit a few millimetres apart in a small, expressive area, so the appointment starts by measuring how your own smile moves before anything is marked on the skin.

Priced on the published special-area line Smile measured at rest and at full smile Marked and injected by a director
Ask About Your Smile Line See The Listed Rate
Direct Answer

What botulinum toxin does about a gummy smile

A very small amount of botulinum toxin is placed into the muscles that raise the upper lip. Reducing that pull shortens the distance the lip travels when you smile, so less gum is exposed at the top of the movement. Nothing is added and nothing is removed, and the effect wears off.

Dear Clinic lists this work on its special-area toxin line, the same published tier that covers the salivary gland, the nostril area, the temple and the philtrum. Those zones share one requirement: a tiny dose placed exactly, in anatomy where a couple of millimetres of drift produces a different face. The rate reflects the mapping and the anatomy involved, and it is on the price card before you arrive.

Botulinum toxin type A works by interrupting the signal that tells a muscle to contract, which is why the change is temporary and why dose is a clinical judgement instead of a menu item. The pharmacology of the type A products in aesthetic use has been described in the peer-reviewed literature cited at the foot of this page, and the general principle has been in print since the first published series on glabellar lines in 1992.

What that literature does not contain is your smile. How high your lip rises, whether it rises evenly on both sides and how much of the visible gum comes from muscle at all are questions answered in the room, with the scan on screen.

A client leans into the EVE 3D skin analysis unit while the scan is reviewed on a tablet
The EVE Muse reading is taken before the lip elevators are marked, so the plan starts from a measurement.
Anatomy Of The Lift

The muscles that decide how far your upper lip travels

Four small muscles share the work of raising the upper lip. Which of them dominates your smile changes where a dose belongs and how large it can safely be.

MuscleWhat it pullsWhy it matters for this injection
Levator labii superioris alaeque nasiRuns from the side of the nose to the lip and the nostril wing, lifting bothThe usual dominant elevator in a gummy smile, and the one whose over-treatment flattens the lift of the nostril as well as the lip
Levator labii superiorisRaises the central part of the upper lipPlacement here changes the middle of the smile line; too much and the lip reads long and inexpressive
Zygomaticus minorDraws the upper lip upward and outward toward the cheekboneCarries the outer smile. Treating it heavily is what produces a flat or lopsided grin
Depressor septi nasiPulls the nasal tip down as the lip movesRelevant when the nose drops visibly on smiling; assessed at the same examination, treated only if the examination calls for it

A gummy smile is rarely symmetrical. One side commonly lifts higher than the other, and the correction has to follow that difference instead of splitting a dose down the middle.

Before Anything Is Marked

How a smile line is measured at a gummy smile consultation

01
The reading

EVE Muse 3D imaging and AI analysis come before a price

Three-dimensional capture under five light sources, with AI analysis, gives the director a baseline of the mid-face before the muscles are palpated. The scan is taken first for a practical reason: the discussion about what is achievable happens with measurements on screen instead of adjectives.

02
The movement

Your smile is watched at rest, in conversation and at full effort

Gum show at a polite smile and gum show at a laugh are different measurements, and people are treated for the one they see in photographs. The director records how the lip behaves in both, notes which side climbs higher, and checks whether the nostril or the nasal tip moves with it.

03
The cause

Muscle, tooth, gum and bone are separated before the syringe appears

An upper lip that lifts hard is one cause of visible gum. Short clinical crowns, gum tissue that sits low over the teeth and the vertical proportion of the upper jaw are others, and none of them answer to a muscle relaxant. This step is where a plan gets written, or where the examination sends you to a dentist instead.

04
The dose

A conservative first placement, then a review before adding anything

Where the examination supports treatment, the director marks the points on your own anatomy and starts low. The number of units and the exact points are set in your consultation and written into your record; this page publishes no dose, because a dose copied from an article is somebody else's face.

Where This Stops

What a toxin injection cannot change about a gummy smile

Several of the causes of visible gum are structural. A muscle relaxant has no effect on any of them, and treating anyway spends money without changing the photograph.

Jaw proportion. Where the upper jaw is vertically long, the gum is exposed because of skeletal height. That is assessed and treated by a dental or maxillofacial specialist, and an injection into the lip elevators will not alter it.
Tooth height and eruption. Short-looking crowns, heavy wear, or gum tissue that never receded fully from the enamel all make teeth look small and gum look abundant. Those belong to a dentist.
Inflamed or overgrown gum tissue. Swollen gum margins change how much tissue shows regardless of lip height, and some medications contribute to it. Dental assessment comes first.
The length of your upper lip. Relaxing the elevators changes how far a lip rises. It does not make a short lip longer, and anyone promised that has been promised the wrong thing.
A result that stays put. The mechanism is temporary by design. When the muscle recovers the lift returns, and what the consultation sets out is a repeatable treatment with a finite window.

Where the cause is dental or skeletal, we do not recommend the injection and the consultation ends with that written down. Related toxin work that is performed here — salivary gland placement for a wide lower face, masseter dosing for a square jaw — targets different tissue and fails in different ways.

Listed Rate

How much does gummy smile botox cost in Cheongdam?

The published special-area line covers it, in two toxin tiers. Most of this field quotes on request; the figure here is on the card before you book. Residents and international patients are charged from the same list, with no foreign-patient surcharge. Korean won is what you pay and the USD figure is an approximate reference.
Special-area lineToxin tierListed rate
Gummy smile placementKorean botulinum toxin₩60,000 (≈ $45)
Gummy smile placementPremium imported botulinum toxin₩400,000 (≈ $285)

The two rows differ by product tier, and which tier suits you is a conversation at the consultation, not a default. The rate is for the placement, the mapping and the fact that a director performs it, so it does not move with how expressive your smile turns out to be. If a second area is planned at the same visit, that area is quoted on its own line and the whole total is itemised before you agree. Published rates as of September 2026. Every figure Dear Clinic holds is on the transparent price list.

Dear, Knowhow

Why a lip elevator dose is planned differently here

01 — THE FULL ARSENAL

Six toxin applications on one published card, so the small one is not oversold

Wrinkle areas, masseter, skin toxin, salivary gland, hyperhidrosis and the special-area line all sit on the same price list in this building. A clinic that only performs the treatment you asked about has one answer available. Here the gummy smile line is simply the one that fits your examination, and the others stay where they are.

02 — DIAGNOSIS FIRST

EVE Muse 3D and AI analysis settle the cause before the dose

Five light sources and three-dimensional capture are pointed at the mid-face before any figure is quoted, and the reading is discussed with you on screen. For this treatment the decisive finding is usually the left-to-right difference in how the lip climbs, because that is what a symmetrical dose would get wrong.

03 — DIRECTOR-PERFORMED

The director who measured the smile places the injection

Marking and injecting stay in one pair of hands, and the same director sees you at review.

In the clinic

Where a smile is read and the points are marked

Reception desk at Dear Clinic in Cheongdam, Gangnam, Seoul, with the backlit DEAR sign on a curved plaster wall
Reception desk at Dear Clinic in Cheongdam, Gangnam, Seoul, with the backlit DEAR sign on a curved plaster wall
Private curtained treatment bays at Dear Clinic Cheongdam, each numbered and separately lit
A mirror is part of the appointment: you smile back at it before you leave
Director explaining a plan on a tablet during consultation at Dear Clinic
Points, tier and total are shown on the tablet before you agree to any of them
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
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FAQ

Gummy smile placement, question by question

Is botox for a gummy smile worth it?
It is worth it when the examination finds that a strong lip lift is what exposes the gum. In that situation a very small dose changes the top of the smile for a limited period, at a published figure. Where the cause is tooth height, gum tissue or jaw proportion, the same injection is a poor purchase and we say so.
How much does gummy smile botox cost in Cheongdam, Seoul?
It is charged on the published special-area line, in a Korean tier and a premium imported tier; both figures are in the rate table above. The same list applies to residents and to visitors, with no foreign-patient surcharge. Your itemised total is confirmed after the examination and before anything is injected.
How does the injection actually reduce how much gum shows?
Botulinum toxin type A interrupts the nerve signal reaching the muscle, so the lip elevators pull less strongly. The lip then stops a little lower at the top of a smile and covers more of the gum margin. Because the mechanism is a temporary block on signalling, the muscle recovers and the original lift returns.
How many units will I need for a gummy smile?
No number is published here, because this area is dosed on your own anatomy and on how unevenly your lip climbs. It is among the smallest doses given in aesthetic practice. Your director marks the points, records the units in your chart and starts conservatively, with a review offered before anything is added.
Does the injection into the upper lip muscles hurt?
The needle is fine and the volume is tiny, and most people describe a brief sting at each point near the base of the nose. The area is thin-skinned and expressive, so it feels sharper than a wrinkle injection while taking less time. Any comfort measures are confirmed at your consultation.
When will I see a change, and how long does it last?
The onset is gradual over days rather than immediate, and the result is temporary in every published account of type A products. Dear Clinic does not publish a duration figure for this area, because the range in the literature is wide and individual. Your director gives you the expected window for your dose at the appointment.
Can my smile end up looking odd after treatment?
That is the specific risk of this area, and it comes from too much product or from a point placed too far out toward the cheek. The reported consequences are a lip that reads long or heavy, a smile that lifts unevenly, and brief difficulty with whistling or a straw. A conservative first dose exists precisely to avoid them.
What if my gummy smile is caused by my teeth or my jaw?
Then it is a dental or maxillofacial question and not a toxin one. Short clinical crowns, gum tissue sitting low over the enamel and a vertically long upper jaw all expose gum independently of muscle. We describe what the examination found, recommend that you see the right specialist, and do not sell an injection around it.
Can I have this done on the same day as my consultation?
Often yes, where the scan, the examination and your medical history agree. The visit is short and the appointment is the scan, the discussion, the marking and the injection in sequence. If anything in the examination argues against treating that day, the plan is written and the injection is scheduled for later.
Can it be combined with lip filler or with masseter toxin?
Combinations are planned at the examination and quoted line by line, and the lip is the area where sequence matters most, since one treatment changes how the other reads. Masseter dosing sits on a separate published line. Whether both happen in one visit is a clinical decision your director makes with the scan in front of you.
Who should not have a gummy smile injection?
Anyone who is pregnant or breastfeeding, anyone with a neuromuscular disorder affecting nerve-to-muscle transmission, and anyone who has reacted to a botulinum toxin product before. Active infection or inflammation around the injection site postpones it. Tell us about these at booking, since they change what can be offered at all.
Do international patients pay more, and can the appointment be held in English?
The rate is identical; one published list covers everyone and there is no surcharge for being a foreign patient. Consultations run in English, and Spanish-language support is available. Message before you travel with a photograph of your own full smile and you will get a direct read on whether this is the right treatment.
Consultation

Send us your smiling photograph

A full smile, taken straight on — that one image tells us more about whether this treatment fits than any description can.

Scientific Evidence

Peer-reviewed reading behind toxin placement in the lip elevators

No trial is cited here for a gummy smile dose, because this page publishes no dose. What the literature below establishes is the material the treatment rests on: the first published aesthetic series with botulinum toxin type A, a consensus review of its use in aesthetic practice, and a description of how the type A products in clinical use differ pharmaceutically from one another.

Each entry resolves to a DOI in an indexed journal. The judgement applied to your own smile is clinical and is made in person at your consultation.

  1. Carruthers J et al. Treatment of Glabellar Frown Lines with C. Botulinum-A Exotoxin. The Journal of Dermatologic Surgery and Oncology. 1992. doi:10.1111/j.1524-4725.1992.tb03295.x
  2. 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
  3. 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

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

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