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Smile lines (nasolabial folds)

Smile lines in Korea: filler, lifting or nothing at all?

Smile lines are not one problem. They can come from lost volume in the midface, from sagging cheeks, from thin skin, or simply from how your face moves. The right option depends on which of these it is, and for many people the honest answer is a light touch or nothing.

“Should I just get filler in my smile lines?”
“I am in my thirties and the folds look deeper in photos. Is that normal?”

Why it happens: more than one cause

01

Volume loss in the midface

As the fat pads and bone support in the upper cheek thin out, the cheek sits lower and the fold beside the nose deepens. The fold is the shadow, not the source.

How a doctor tellsA doctor looks at your face from the side and at 45 degrees. If the upper cheek looks flat and the fold softens when the cheek is gently lifted with a finger, volume is a big part of it.

02

Sagging skin and soft tissue

With age, skin and the tissue under it loosen and slide down. The fold then looks heavier toward the mouth and often comes with jowls.

How a doctor tellsThe doctor checks skin laxity with a pinch and watches whether the fold continues into a heavier lower face. Laxity points toward tightening or lifting rather than filling.

03

Expression and muscle pull

Some people have strong muscles around the mouth and nose. The fold is deep when they smile and almost gone at rest.

How a doctor tellsYou will be asked to relax, then smile. A fold that mostly appears with movement is about expression, which filler does little for.

04

Skin quality

Thin, dry or sun-damaged skin creases more easily, so a mild fold looks etched.

How a doctor tellsThe doctor looks at fine lines and texture across the cheeks, not only at the fold itself.

05

Your bone structure

A flatter midface or a set-back upper jaw can make the fold visible even in your twenties. This is anatomy, not ageing.

How a doctor tellsIf the fold has always been there in old photos, structure is likely part of it. Injections can soften it, not change it.

Your options, from lightest to most involved

A map for your consultation, not a prescription. The doctor decides which cause applies to you.

  1. Care and makeup

    Skin care and lighter clinic options

    • Daily sunscreen and moisturisingDoes not remove a fold, but keeps skin quality from making it look deeper.
    • Skin boosters →Improve skin quality around the fold. Little to no change to the fold itself. One to two days of small bumps.
  2. Injections

    Injections

  3. Devices and lasers

    Lifting and tightening devices

  4. Surgery

    Surgery

    • Facelift →For clear sagging with loose skin, usually from the late forties onwards. A week or more of recovery before you look presentable.
    • Fat grafting →Uses your own fat to restore midface volume. Some of the fat does not survive, so a second session is sometimes discussed.
  5. Doing nothing

    Leaving them alone

    • No treatmentSmile lines are part of a normal face, especially when you smile. If they only bother you in certain photos, lighting and makeup may be enough.
OptionWorks onDowntimeTypical time to judge
Cheek fillerLost volumeSwelling for a few daysAbout two weeks
Collagen stimulatorGradual supportBumps or swelling for a few daysTwo to three months
Ultherapy or ThermageMild sagging, skin laxityLittleTwo to three months
Thread liftSoft tissue positionA few days of tendernessOne to two weeks
FaceliftLoose skin, heavy jowlsOne to two weeks or moreSeveral months
What each option is for. Your doctor decides what suits you.

What we would avoid

  • Asking for filler straight into the fold without anyone checking the cheek first. It is the most common way to end up looking heavy around the mouth.
  • A plan that adds filler every few months. Ask how much has gone in already and where.
  • Judging the fold in a phone selfie taken from below. Overhead light and lens distance exaggerate it.
  • Combining many injections on your last day in Seoul. Swelling and bruising can last past your flight.

Not sure which cause is yours? Send us your concern and dates; we match you to a doctor who will tell you honestly.

Talk to a coordinator

Quick answers

Is filler in the smile lines a bad idea?

Not always, but it is often not the first step. Many doctors restore support in the upper cheek and add little or nothing directly in the fold, because filling the fold alone can look heavy.

How much does filler cost in Seoul?

On our partner list, Korean hyaluronic acid filler is about $65–$105 per cc and imported brands about $180–$285 per cc. Whether VAT is included varies by clinic. How many cc you need is a doctor’s call.

Can a device alone fix deep folds?

Usually not. Devices help mild sagging and skin laxity. Deep folds from volume loss or heavy sagging tend to need volume or surgery, or are best left alone.

I am in my twenties. Why do I already have folds?

At that age it is often bone structure or expression rather than ageing. That changes what is worth doing, and sometimes the answer is nothing.

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