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Dear Clinic · Procedure Comparison · Injectables
Relax vs Restore

Botox vs Filler

The two most-asked-about injectables, and the two most often confused. One relaxes a muscle so the lines it folds soften; the other adds hyaluronic acid where the face has gone flat. Four things separate them: what the line does, what the tissue is doing, how fast each works, and whether it can be undone.

Beginner-friendly guide Diagnosis-led recommendation Open 365 days
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Short Answer

Botox or filler — which?

Botulinum toxin (the treatment commonly searched as "botox") relaxes a targeted muscle so the movement lines it creates soften — think frown lines, forehead lines, crow's feet, or a slimmer jaw when the chewing muscle is relaxed. Filler restores volume and shape by adding hyaluronic acid where the face has lost or lacks it — cheeks, lips, chin, under-eye hollows or a nose bridge. Simply put: toxin softens what moves, filler fills what's flat. Expression lines point to toxin; volume, contour or a crease that sits there at rest point to filler.

The useful pair of words is relax and restore. Botulinum toxin quiets an overactive muscle, so the lines that muscle folds into the skin ease off, and where the chewing muscle is the target the lower face can read slimmer as its bulk settles. Filler is a hyaluronic-acid gel placed at a chosen anatomical layer — deep, mid or superficial — to rebuild volume or refine a contour. Because they answer different problems, most plans at Dear use both: toxin above the brow, filler below the eye.

Side by Side

Botox vs filler, compared

The plain-English comparison — what each one does, where it works, how each one ends, and what it costs at Dear.

  Botulinum Toxin ("Botox") Filler
What it does Relaxes a muscle to soften movement lines Restores volume & shape with hyaluronic acid
Best for Frown & forehead lines, crow's feet, jaw slimming Cheeks, lips, chin, nose, under-eye, contour
Result timing Nothing changes on the day; softening arrives over the following days Volume is there the moment it is placed, then settles
How it ends Movement gradually returns; re-treated when it does Your body breaks the HA down gradually; topped up when you want
Downtime Practically none Mild swelling/bruising possible a few days
Reversible? No — simply wears off over time HA filler can be dissolved if needed
At Dear, from Wrinkle, per area: ₩30,000 (≈ $20) (Korean) to ₩150,000 (≈ $105) (premium imported) 1cc from ₩130,000 (≈ $95); premium & specialty areas priced higher

Toxin is offered across tiers — Korean, imported and premium imported — and filler ranges from everyday HA to premium and specialty-area products; your director recommends a tier at consultation. Dear does not publish a fixed number of months for either: how long a toxin dose holds and how long a gel lasts both move with the area, the dose or volume placed, and your own metabolism, so your director gives you a range for the exact product chosen and checks it at review. All prices are published rates, identical for locals and international visitors, and your plan is approved before treatment.

Axis by Axis

Four things that decide toxin or filler

Take them one at a time. Three of the four usually point the same way, and when they do the answer is already made before anyone opens a product.

AXIS 01 — THE LINE

Visible at rest, or only in motion

Sit still in front of a mirror and stop expressing. A forehead line, an "11" or a crow's foot that vanishes when your face goes blank is a movement line, and toxin treats it at the muscle. A crease still there at rest is etched into the skin or shadowed by lost volume, which is filler's side of the ledger.

AXIS 02 — THE TISSUE

Too much muscle, or too little volume

An enlarged chewing muscle and a short chin both widen the lower face, and the two look similar in a photograph. Relaxing the muscle is the direct answer to the first; adding projection is the direct answer to the second. The EVE 3D scan is what tells them apart.

AXIS 03 — TIME AND REVERSIBILITY

Days of waiting, or undone in an afternoon

Toxin shows nothing on the day and softens over the days that follow, so it needs planning ahead of an event. Filler is visible as it is placed and can be dissolved with hyaluronidase if the result is not what you agreed. Toxin cannot be reversed; it has to wear off.

The fourth axis is what you are willing to maintain. Toxin is a rhythm — movement returns, and the treatment is repeated when it does. Filler is a single placement that your own body then breaks down slowly, so it is topped up on a longer cycle and can be left to fade entirely with nothing to undo. Whichever way the first three axes point, a plan you cannot keep up is a plan we will talk you out of.

Treatment corridor with a mirrored end wall reflecting the DEAR clinic logo
Treatment corridor with a mirrored end wall reflecting the DEAR clinic logo
Two bouclé armchairs and a stone stool in the waiting area at Dear Clinic Cheongdam
Two bouclé armchairs and a stone stool in the waiting area at Dear Clinic Cheongdam
The Combination

Why one plan often carries both

Most faces present with more than one kind of change at once, which is why a single plan usually runs on both sides of the ledger:

Toxin takes the dynamic lines in the upper face — forehead, frown, crow's feet.
Filler takes volume and contour in the mid and lower face.
Relaxing a muscle first can help nearby filler sit and last more predictably, which is why sequence gets decided at the consultation and not on the day.
Both are dosed at the smallest amount that delivers the design, since over-treatment is what makes injectables visible.

Every toxin tier and every filler family on the price list is held here, so a plan can be toxin only, filler only, both, or neither. What that removes is the pressure to answer a mixed problem with whichever of the two happens to be at hand.

Illustrative image — Dear Clinic treatment room where injectables are performed by directors (not a patient result)
Injectables at Dear are planned and performed by our directors, one face at a time.
Dear, Knowhow

Where this comparison gets settled at Dear

01 — THE FULL ARSENAL

Both sides of the comparison are on our own list

Four HA filler families and toxin in Korean, imported and premium imported tiers — all of it published, all of it in one price list.

02 — DIAGNOSIS FIRST

The scan separates muscle from volume

An EVE Muse 3D capture with five-light-source analysis is what settles the first two axes, because a line photographed at rest and a line photographed mid-expression are different objects and the eye alone will confuse them. Where filler is the answer, the map also fixes the layer and the volume, down to 0.1 cc.

03 — DIRECTOR-PERFORMED

The smallest dose that does the job

Injectables look obvious when they are over-relaxed or over-filled, and both mistakes are hard to walk back — toxin has to wear off, and dissolving filler is a second procedure. Every plan here is designed and performed by our directors, at the least that delivers the design.

In the clinic

The devices and hands behind this treatment

Procedure room at Dear Clinic with radiofrequency and ultrasound body-contouring systems
Procedure room at Dear Clinic with radiofrequency and ultrasound body-contouring systems
Curved shelving niche with a round bouclé ottoman at Dear Clinic Cheongdam
Curved shelving niche with a round bouclé ottoman at Dear Clinic Cheongdam
Perfectha Subskin, Deep, Derm and Finelines hyaluronic acid filler cartons lined up
Perfectha Subskin, Deep, Derm and Finelines hyaluronic acid filler cartons lined up
When We Decline

The consultations where we inject nothing

Not every concern is an injectable one, and a few are actively worth refusing. Sagging read as "lost volume" is often true laxity, where filler adds weight to tissue already struggling to hold itself and the correct answer is a lifting protocol; dull, crepey skin is a surface problem that a booster addresses and a gel does not. We also decline on timing: active skin infection or inflammation at the site, pregnancy or breastfeeding, and a wedding or a long-haul flight close enough that bruising has nowhere to hide. Toxin is declined where the request is a frozen upper face, because that is a dose we will not give. If your diagnosis points to doing less than you came in for, that is what you will be told and what will be written on the plan.
01
Softened movement lines
02
Restored volume & contour
03
Balanced facial harmony
04
Natural, subtle change

Suitability for toxin, for filler or for neither is decided at your in-person diagnosis, and outcomes vary between individuals.

Perfectha Finelines hyaluronic acid filler carton, front face
Perfectha Finelines hyaluronic acid filler carton, front face
Perfectha Subskin hyaluronic acid filler carton shown at an angle
Perfectha Subskin hyaluronic acid filler carton shown at an angle
Caution

Aftercare splits by which one you had

After toxin: leave the treated area alone for a few hours and stay upright, since pressure and lying flat while the product is still settling are the two things that can move it off the muscle it was placed on.
After filler: swelling, entry-point bruising and tenderness are ordinary for a few days, and pressing or massaging the area can push freshly placed gel out of the plane it was designed for.
Alcohol, saunas and hard training raise blood flow, so leave all three for several days after either treatment. Walking is fine the same day.
Skip acids, retinoids and any high-stimulation skincare over the treated area until the entry points have closed.
Filler carries a small vascular risk that toxin does not: pain out of proportion, skin turning white or dusky over the treated area, or any change in vision means calling us the same hour, not waiting for the review.
Ring-shaped wall light in a curved corridor at Dear Clinic Cheongdam
Ring-shaped wall light in a curved corridor 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
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What our patients say

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FAQ

Botox vs filler, answered

What's the difference between botox and filler?
They act on different tissue. Botulinum toxin, commonly searched as "botox", works on muscle: it quiets the muscle so the line that muscle folds into the skin eases, which is why it suits frown lines, forehead lines, crow's feet and an enlarged chewing muscle. Filler works on volume: hyaluronic acid is placed at a chosen depth to rebuild what has flattened or hollowed — cheeks, lips, chin, under-eye. One changes how the face moves, the other changes its shape at rest.
Which should a beginner start with?
Neither is the beginner option; the concern decides. If expression lines are what brought you in, a small toxin dose in one area is the low-commitment start — almost no downtime, and it wears off on its own if you decide it was not for you. If the issue is a hollow or a flat contour, one area of filler is the equivalent starting point, with the advantage that it can be dissolved. What settles it is the EVE 3D diagnosis, on the first two axes above.
Can I get botox and filler at the same time?
Yes, and it is the common case rather than the exception. A typical plan puts toxin in the upper face and filler in the mid and lower face, in one visit. The order is worth noting: relaxing a muscle before filler goes in near it can help the gel sit and hold more predictably, so your director sets the sequence at the consultation instead of leaving it to the order the syringes come out.
How long does each last?
Filler outlasts toxin, and Dear does not publish a fixed figure for either. Toxin ends when movement comes back in the treated muscle, and how soon that happens moves with the area, the dose and how strong the muscle is to begin with. Filler ends as your own body breaks the hyaluronic acid down, which is slower in a still area like the chin than in a lip that moves all day. Your director quotes a range for the specific product chosen and checks what is left at your review.
Does botox or filler hurt?
Toxin is felt as a series of tiny pinches, since the needle is fine and the volume injected is very small. Filler is felt as pressure, because a gel has to make room for itself in the tissue, and many HA gels carry lidocaine of their own on top of the topical numbing applied first. Soreness afterwards is short-lived with either.
How much do botox and filler cost in Seoul?
At Dear Clinic, wrinkle toxin per area ranges from ₩30,000 (≈ $20) for a Korean product to ₩150,000 (≈ $105) for a premium imported one, and filler starts from ₩130,000 (≈ $95) per 1cc with premium and specialty-area products priced higher. All are published rates identical for locals and international visitors, approved before treatment.
Is filler reversible? What about botox?
Filler is reversible; toxin is not. Hyaluronidase dissolves hyaluronic-acid gel, so an over-filled area or a lump can be reduced or removed in a separate appointment, and the same enzyme is what makes a vascular complication treatable. Toxin has no equivalent — a dose that came out too heavy has to be waited out until movement returns. That asymmetry is the main argument for starting conservatively with toxin in particular.
Which is better for a slimmer jawline?
It depends which tissue is making the jaw look wide. Where the cause is an enlarged chewing muscle, relaxing that muscle with botulinum toxin is the direct approach, and the change appears over weeks as the muscle bulk settles. Where the cause is a short or recessed chin, no amount of toxin helps and filler restoring forward projection is what cleans up the lip-to-jaw line from the side. This is axis 02, and it is the single most common place people ask for the wrong one of the two.
Will it look obvious or "frozen"?
A frozen forehead is a dosing decision, and it is one Dear declines to make. Toxin is started at a conservative dose in each area, which usually means a change your friends cannot name and a brow that still moves; if you want more after the effect has fully arrived, more can be added at review, whereas a heavy first dose has to wear off. On the filler side, the giveaway is an over-filled mid-face at the three-quarter angle, so that is the angle the contour is checked from before you leave.
Is there downtime?
Toxin has practically none: back to normal plans the same day, with the treated area left alone and no lying flat for a few hours. Filler is the one with a visible few days — swelling, tenderness and the occasional entry-point bruise, most obvious in the lips and around the mouth. If something in your diary cannot tolerate a bruise, that is the treatment to move, and saunas, alcohol and hard training are worth postponing after either.
Can I have treatment the same day as my consultation?
Usually yes — the EVE 3D diagnosis, the consultation and the injection all fit inside one visit if your doctor confirms you are suitable. The catch is which of the two you are having. Toxin shows nothing on the day, so a same-day appointment early in a Seoul trip lets you see the result before you fly home; filler is visible immediately but swells for a day or two, so it wants a gap before anything photographed. Dear is open 365 days a year, Sundays and public holidays included.
How do I book from abroad if I am not sure which one I need?
That is the normal case, and it is what the consultation is for — send the form below with your travel dates and a description of what bothers you, ideally noting whether you see it in the mirror at rest or only when you move. We reply in English within one business day and hold the slot without a deposit. Weekend and holiday appointments run year-round, and the same published price list applies whether you live in Seoul or are here for four days.
Consultation

Ask which injectable fits your face

Your questions, answered in English within one business day.

Scientific Evidence

Science behind toxin & filler — peer-reviewed references

Choosing between a muscle-relaxing toxin and a volumizing filler is grounded in decades of peer-reviewed clinical literature on each mechanism — neuromodulation of dynamic lines, and hyaluronic-acid restoration of volume and contour. The studies below inform how our directors match a treatment to your concern after your EVE 3D + AI diagnosis.

All references carry verifiable DOIs from indexed journals. None of them can tell you which of the two your own face needs; that is decided at the diagnosis, and individual outcomes differ.

  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. 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
  3. 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

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

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