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Dear Clinic · Comparisons · Wrinkles
Dynamic Lines Against Static Ones

Botox vs Filler for Wrinkles in Cheongdam, Gangnam, Seoul

A wrinkle made by a muscle folding the skin and a wrinkle carved into the skin itself are two different objects. One answers to toxin, one answers to hyaluronic acid, and telling them apart is a thirty-second examination that happens before any product is chosen.

Both routes run here Every tier printed Open 365 days
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The Short Answer

Let your face go blank and watch which lines survive it

Stop every expression and hold your face completely still. Lines that disappear are dynamic: they exist only while a muscle is folding the skin, and botulinum toxin type A treats them at the muscle. Lines still sitting there on a motionless face are static: the crease has become a property of the skin, and hyaluronic acid is the material that fills and supports it. That single observation sorts most wrinkle questions before anyone opens a product.

Both treatments are performed at Dear Clinic and both are published on the same rate list, which is what makes the examination worth trusting: there is no product here that needs finding a use for. What decides the plan is the reading, and the reading has two more layers beneath the first one — how deep the crease has been cut, and whether the tissue around it has flattened.

The third possibility is the one people forget. A face can have neither problem and simply carry dull, finely crinkled surface over healthy structure, which is a skin-quality complaint and answers to neither injection in its classic form. That reading sends the conversation to skin treatments, and your director will say so before anything is drawn on your face. For a broader view of how the two materials differ outside the wrinkle question, the general comparison sits on the botox and filler page.

Zone By Zone

Which line on your face belongs to which injectable

The same face usually needs different answers in different thirds, which is why a plan written for one zone rarely transfers to another.

Where the line isWhat is making itThe matched route
Forehead, horizontalA broad flat sheet lifting the brow and folding the skin above itToxin, dosed against how much brow lift you can afford — see wrinkle botox
Between the browsSmall muscles drawing the brows inward and down when you concentrateToxin, counted as its own treated area
Crow's feetThe ring of muscle around the eye squeezing on every smileToxin, its own area again, with the outer fibres mapped individually
A forehead that reads flat or dentedContour, not movement — the plane itself has lost its curveHyaluronic acid on the forehead line — see forehead filler
Nose-to-mouth folds and marionette linesVolume that has descended and flattened, deepening a shadow at restHyaluronic acid, usually placed where the support was lost as much as in the fold
Hollows under the eye and along the cheekStructural loss producing a shadow that photographs as a lineHyaluronic acid, at a layer and a volume set by the scan
Fine crinkling across the whole faceSurface quality, with very little muscle folding behind itMicro-dosed full-face toxin, or skin treatments — see skin botox

Two of those rows are worth pausing on. A flat forehead and a lined forehead are the same anatomical region asking opposite questions, and the products that answer them are not interchangeable. And a fold that only appears when you smile is not the same finding as one visible while your face rests, which is the distinction the nasolabial filler page works through in detail.

Side By Side

Toxin and hyaluronic acid measured against a wrinkle

Both are in stock here, both are published, and the row that decides your plan is the first one.

 Botulinum toxin type AHyaluronic acid filler
The wrinkle it matchesDynamic — visible only while the muscle is workingStatic — visible on a face that is completely still
MechanismReduces the signal reaching a muscle, so it folds the skin less forcefullyOccupies space in the tissue, supporting the crease and what sits beside it
Where it is placedInto or immediately above the target muscle, at a depth set by the zoneAt a chosen anatomical layer — deep, mid or superficial — to 0.1 cc precision
How the plan is countedBy treated area and by tierBy cubic centimetre and by product family
When it showsNothing on the day; the softening arrives over the days that followVisible as it is placed, then settles as swelling resolves
DowntimeSmall entry-point marks, occasional bruise, ordinary activity straight awaySwelling, tenderness and entry-point bruising for a few days
If you dislike itIt has to wear off; there is no reversal agentHyaluronidase can dissolve the gel in a separate appointment
Listed rate, Korean tierPer wrinkle area ₩30,000 (≈ $20); full-face micro-dosing ₩150,000 (≈ $105)1 cc from ₩130,000 (≈ $95); the forehead line at ₩180,000 (≈ $130)
Listed rate, imported tierPer wrinkle area ₩150,000 (≈ $105)1 cc at ₩350,000 (≈ $250) or ₩400,000 (≈ $285) depending on the family chosen

Korean pharmaceutical advertising rules keep prescription toxin product names off public pages, so the toxin column shows tiers; your director names the product in the room. Every figure above is the published rate, identical for residents and visitors, and intermediate tiers and specialty-area rates sit on the price list. No duration in months is printed for either material, because how long a dose holds and how long a gel lasts both move with the area, the amount placed and your own metabolism — your director gives you the expected pattern for the exact plan you approve.

The Crossover

What happens when a dynamic line has been folded for twenty years

Most static lines started as dynamic ones. A crease folded in the same place tens of thousands of times eventually stops flattening between folds, and at that point the skin holds the line on its own. That face now has both problems in one groove, which is the single most common reason a wrinkle answer is not one product or the other.

A single appointment often carries both materials on one face: toxin across the upper third, hyaluronic acid in the mid and lower third. Each area and each cubic centimetre is quoted as its own line, and you approve the list before any of it begins.

Two Risk Profiles

The two materials go wrong in two completely different ways

On the toxin side the failures are about position and amount. A heavy forehead dose can lower the brow and leave the upper lid feeling weighted. An uneven map can peak one eyebrow above the other. Spread beyond the intended muscle can alter a smile or how the lower lip sits. Bruising at an entry point, brief swelling and a headache in the first day or two are the ordinary events. Every one of those is temporary, and every one of them has to be waited out, because nothing reverses a toxin dose.

On the filler side the ordinary events are swelling, tenderness and bruising over a few days, with lumps, visible edges and asymmetry as the correctable ones. The serious risk is vascular: gel entering or compressing a vessel can starve the skin it supplies, and in the worst reported cases the eye. That is why pain out of proportion to the procedure, skin turning white or dusky over a treated area, or any change in vision means telephoning the clinic the same hour and not waiting for a review. Hyaluronidase, the enzyme that dissolves hyaluronic acid, is both the correction for a result you dislike and part of how that emergency is managed.

Neither material is offered during pregnancy or breastfeeding, or where there is infection, inflamed skin or an open wound in the field to be treated. A neuromuscular condition in your history changes what can be offered on the toxin side entirely. Tell your director about blood-thinning medication or supplements, about previous injectable work and what was used, and about any reaction you have had before. Where the finding is laxity that needs lifting, or a surface complaint that needs skin treatment, we do not recommend either injection, and that conversation happens before payment. Results vary between individuals and suitability is decided at your own examination.

Before & After

A filler-side finding photographed at Dear Clinic

Where the forehead complaint turned out to be contour instead of movement, the correction was hyaluronic acid and no toxin was used.

Forehead filler before and after at Dear Clinic — a flat plane restored to a softer curve, seen from the side
Forehead filler · hyaluronic acid placed for contour, side view

Unretouched case treated at Dear Clinic and shown with consent, labelled only with the treatment it actually received. Individual results may vary.

It is the clearest illustration of why the examination comes before the product. The same forehead, presenting with horizontal lines instead of a flattened plane, would have been a toxin plan at a different rate on a different part of the price list.

Dear, Knowhow

How the wrinkle question is settled before a product is chosen at Dear

01 — THE FULL ARSENAL

Both answers are already on our own rate list

Toxin across its tiers and four hyaluronic acid families sit in the same building, published in the same list, so the examination is free to land wherever it lands.

02 — DIAGNOSIS FIRST

EVE Muse 3D + AI photographs the face twice over

Three-dimensional capture under five light sources with AI analysis records the face at rest and mid-expression, and the difference between those two images is the dynamic share of every line on it. A groove that measures the same in both is static, and no amount of looking in a mirror will tell you that as reliably as two captures set side by side.

03 — DIRECTOR-PERFORMED

The smallest amount that delivers the design

Over-relaxed and over-filled are the two ways injectable work announces itself, and both are hard to walk back. Planning and injection are director-performed here, at the least that achieves what was agreed, with room left to add at a review.

In the clinic

The devices and hands behind this treatment

BOTOX (onabotulinumtoxinA) 50-unit carton
BOTOX (onabotulinumtoxinA) 50-unit carton
The Chaeum Premium filler carton beside its red-handled pre-filled syringe
One of the hyaluronic acid families stocked for the filler side of the comparison.
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

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FAQ

Wrinkles, toxin and gel, question by question

For wrinkles, is botox or filler the better choice?
Whichever matches the wrinkle in front of you. Hold your face completely still: a line that vanishes is being folded by a muscle and toxin is the matched tool; a line that stays is cut into the skin and hyaluronic acid is. Most faces over forty carry both kinds at once in different zones, which is why the answer for your forehead and the answer for your mouth corner are frequently different products on the same day.
Can filler be used on forehead lines?
For a flat or dented forehead plane, yes — that is a contour correction and it is listed at ₩180,000 (≈ $130) per cubic centimetre on the Korean tier. For horizontal lines produced by the brow-lifting sheet, gel is the wrong answer and a toxin area is the right one. The two complaints live on the same piece of forehead and are told apart by watching what happens when you raise your brows.
Will toxin get rid of a deep line that is there when I am not moving?
Not on its own. Softening the movement stops that groove being deepened further and usually shallows it gradually, which is real but slow. Erasing a set crease is a structural or a skin problem. Where a line is both — folded daily and already cut — the plan often uses toxin first and revisits the groove afterwards.
How much do the two cost at Dear Clinic?
One wrinkle area of toxin is ₩30,000 (≈ $20) on the Korean tier and ₩150,000 (≈ $105) on the imported tier. Hyaluronic acid starts at ₩130,000 (≈ $95) per cubic centimetre, with imported families at ₩350,000 (≈ $250) and ₩400,000 (≈ $285). Every figure is published, the same for residents and visitors, and confirmed with you before treatment.
Which one lasts longer?
Hyaluronic acid generally outlasts a toxin dose, and this clinic prints no month figure for either. Toxin ends as movement returns to the treated muscle. Gel ends as your own body breaks it down, which happens more slowly in an area that barely moves than in one that works all day. Your director gives you the expected pattern for the product and the area in your own plan.
Can I have both in one appointment?
Yes, and for a mixed wrinkle picture it is the usual arrangement: toxin across the upper third, gel in the mid and lower third. The order matters, since gel placed into a groove that is still being folded hard is a shorter-lived correction. Each area and each cubic centimetre appears as its own line on the quote you approve.
Which is riskier?
They are risky in different registers. Toxin risks are positional and temporary: a dropped brow, an uneven peak, an altered smile, all of which wear off and none of which can be reversed. Filler carries the rarer but serious vascular risk, where gel compromises a vessel — the reason blanching, escalating pain or any visual change is a same-hour phone call. Filler also has an antidote; toxin does not.
If I dislike the result, can it be undone?
Hyaluronic acid can be dissolved with hyaluronidase in a separate appointment, so an over-filled area or a visible edge is correctable. A toxin dose has no equivalent and simply has to wear off, which is precisely why a first toxin plan here is written conservatively and added to at a review instead of being front-loaded.
My whole face looks finely crinkled rather than lined. What is that?
That is usually surface quality with very little muscle folding behind it, and neither of the two classic routes is aimed at it. Micro-dosed full-face toxin, listed at ₩150,000 (≈ $105) on the Korean tier, addresses activity in the skin itself. Where the reading is dryness or sun damage instead, skin treatments are the closer match and you will be told so.
Does either of them hurt more?
They feel different more than they feel worse. Toxin is a series of quick stings from a fine needle carrying a very small volume. Gel is felt as pressure, because it has to make room for itself in tissue, and many hyaluronic acid products carry lidocaine within them. Comfort measures for either are confirmed with you at the consultation.
Which one should I book first if I am new to injectables?
There is no beginner product, only a matched one. If expression lines brought you in, a single toxin area is the small commitment that wears off by itself. If a static crease or a hollow brought you in, one cubic centimetre of gel is the equivalent, with the advantage that it can be dissolved. The captures taken at your first visit decide which of those describes you.
I am in Seoul for a short trip. Which one fits the schedule better?
Toxin travels better. It shows nothing on the day and develops over the following days, so it can be done late in a trip and finishes at home. Gel is visible immediately but swells and can bruise for a few days, so it wants a gap before anything photographed and is better placed early in a stay. Dear Clinic is open 365 days a year, including Sundays and public holidays, and visitors pay the published rate residents pay. Send the form below with your dates and we reply in English as soon as possible.
Consultation

Ask which of your lines survives a still face

Send one photograph completely at rest and one mid-expression — answered in English as soon as possible.

Scientific Evidence

Peer-reviewed work behind both columns of this comparison

Six references, three on each material. On the toxin side: the first published account of treating expression lines, an international consensus education initiative on aesthetic use, and a laboratory review of how the licensed type A products differ. On the filler side: an injection guide covering both materials in the upper face, a study of the physical properties that separate hyaluronic acid gels from one another, and an anatomical account of the facial regions where vascular risk is concentrated.

They describe the materials and the anatomy. They do not describe your face, prescribe an area or a volume for it, or attach a timeline to either, and each one carries a verifiable DOI from an indexed journal.

  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
  4. de Maio M et al. Facial Assessment and Injection Guide for Botulinum Toxin and Injectable Hyaluronic Acid Fillers: Focus on the Upper Face. Plastic & Reconstructive Surgery. 2017. doi:10.1097/prs.0000000000003544
  5. Fagien S et al. Rheologic and Physicochemical Properties Used to Differentiate Injectable Hyaluronic Acid Filler Products. Plastic & Reconstructive Surgery. 2019. doi:10.1097/prs.0000000000005429
  6. Scheuer J et al. Anatomy of the Facial Danger Zones: Maximizing Safety during Soft-Tissue Filler Injections. Plastic & Reconstructive Surgery. 2017. doi:10.1097/prs.0000000000002913

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

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