Gangnam Aegyo-sal Filler: For a voluminous under-eye look when you smile.

May 27, 2026

Hello.

I am Director Bo-hwang Jeong of Cleor Clinic Gangnam.

Have you ever felt that the area under your eyes looks flat when you smile,

making your expressions seem less defined?

"Even when I smile with my eyes, the area underneath is flat,

giving off a somewhat dull and cold impression."

Many people visit us with these concerns.

The 'Aegyo-sal' (charming fat) is the plump area located right under the eyes,

which naturally stands out when smiling and softens the eye line.

For those born with thin or flat Aegyo-sal,

the volume under the eyes does not show well even when smiling.

This is why adding plump volume directly under the eyes

through Gangnam Aegyo Filler is recommended.

Today, I will explain what Gangnam Aegyo Filler is

and how we create Aegyo-sal using Belotero Soft.

What is Gangnam Aegyo Filler?

👉 Gangnam Aegyo Filler is a procedure that fills the Aegyo-sal area right under the eyes

with hyaluronic acid filler to create plump volume.

There is one point to clarify here.

Many people confuse Aegyo-sal with under-eye hollows,

but they differ in both location and purpose.

While under-eye filler fills the sunken grooves under the eyes,

Aegyo Filler creates a plump, raised line directly under the eyes.

The most important aspect of Aegyo Filler is the shape design.

It must be designed as a curve that is thin at the front and becomes plumper toward the back

to create a natural and lovely eye look when smiling.

Effects and Advantages of Gangnam Aegyo Filler

👉 The core advantages of Gangnam Aegyo Filler

can be summarized into three points: a lovely eye impression, a shorter-looking midface, and immediate changes.

First, the impression of the eyes becomes softer.

When plump volume is added to a flat under-eye area,

eye smiles become more distinct and the overall impression becomes much lovelier.

Next, it has the effect of making the midface appear shorter.

For those whose distance between the eyes and nose appeared long,

the Aegyo-sal volume makes that distance feel shorter, resulting in a more youthful appearance.

Finally, the changes can be felt relatively immediately.

The Aegyo-sal volume is visible right after the procedure,

and using a micro-cannula helps reduce the burden of bruising and swelling.

Belotero Soft Used for Gangnam Aegyo Filler

👉 Belotero Soft, used for Gangnam Aegyo Filler,

is a soft hyaluronic acid filler from Merz.

Since the Aegyo-sal area has thin skin,

the choice of filler significantly impacts the results.

If a filler that is too firm or has large particles is used,

it is easy for the Tyndall effect to occur, where the filler shows through the thin skin as a bluish tint.

Belotero Soft has a smooth texture

that allows it to fill the thin Aegyo-sal area smoothly.

It possesses cohesivity, so the shape does not easily spread,

and the duration is typically known to be around 10 to 14 months.

However, the duration varies depending on individual skin conditions and lifestyle habits.

Who is Gangnam Aegyo Filler Recommended For?

  • Those whose under-eye area is flat and looks dull even when smiling

  • Those with naturally thin or almost non-existent Aegyo-sal

  • Those whose midface between the eyes and nose appears long

  • Those who want to soften a cold and dull impression

  • Those who want a natural change in their eye look without surgery

Side Effects and Precautions for Gangnam Aegyo Filler

👉 Gangnam Aegyo Filler is a procedure where the appropriate dosage and design determine the results,

and simply injecting a large amount does not make it look natural.

The Aegyo-sal is an area where the skin is thin, and the filler may show through,

potentially causing the Tyndall effect.

Therefore, it is important to inject an appropriate amount of a soft filler with low Tyndall risk.

If the dosage is excessive, the under-eye area may look swollen

or give the impression of protruding fat.

In cases where skin elasticity is significantly reduced,

the surface may appear uneven, so we will examine this during the pre-consultation.

Please inform us in advance as the procedure may be restricted in the following cases:

  • If you are pregnant or breastfeeding

  • If there is acute inflammation, wounds, or herpes in the treatment area

  • If you have a history of allergies to hyaluronic acid components

  • If you are taking medications that increase the tendency to bleed

  • If there is other filler remaining under the eyes

⚠️ Pre-treatment Precautions for Gangnam Aegyo Filler

  • 1–2 Weeks Before Treatment

If you have previously received other fillers under the eyes,

we will check whether the procedure is possible during the pre-consultation.

Medications that increase bleeding tendency, such as aspirin, can increase bruising.

  • 2–3 Days Before Treatment

Excessive alcohol consumption can increase the possibility of bruising and swelling after the procedure,

so we recommend reducing it as much as possible.

  • Day of Treatment

Please visit the clinic with a clean face, free of eye makeup.

If you have a desired Aegyo-sal shape in mind,

it will be helpful during the design consultation.

⚠️ Post-treatment Precautions for Gangnam Aegyo Filler

  • Day of Treatment

Do not rub or press the treated area,

and it is best to start eye makeup from the following day.

Please avoid washing with hot water or using saunas.

  • 3–7 Days After Treatment

We recommend refraining from alcohol, saunas, jjimjilbangs (Korean spas), and strenuous exercise.

Please also avoid sleeping face down or positions that put pressure on the eye area.

  • 1–2 Weeks After Treatment

While the filler is settling, please refrain from rubbing the eye area hard

or massaging it.

❓ Frequently Asked Questions (FAQ)

Q. How long does Gangnam Aegyo Filler last?

The duration of Belotero Soft is typically known to be around 10 to 14 months.

However, there are individual differences depending on skin condition, facial expression habits, and lifestyle.

Q. How is Gangnam Aegyo Filler different from under-eye filler?

Under-eye filler is a treatment that fills the sunken grooves under the eyes,

while Aegyo Filler is a treatment that creates plump volume directly under the eyes.

Since the location and purpose are different, they are sometimes designed together.

Q. Is Gangnam Aegyo Filler natural-looking and subtle?

If the appropriate amount is injected in a curve that is thin at the front and plump at the back,

natural-looking Aegyo-sal is created when smiling.

It can look awkward if overfilled, so the design is crucial.

Q. Does Gangnam Aegyo Filler cause bruising?

The under-eye area has many blood vessels,

but using a blunt-tipped micro-cannula helps reduce bruising and swelling.

However, light bruising may occur depending on individual constitution.

Q. Does it show a bluish tint after Gangnam Aegyo Filler?

The Tyndall effect is likely to occur when filler with large particles is injected into thin skin.

We proceed by injecting a soft filler like Belotero Soft at the appropriate depth

to reduce such possibilities.

Aegyo-sal influences the impression of the eyes,

but since it is a sensitive area where results are easily noticeable, design is more important than anything.

Gangnam Aegyo Filler is a procedure that uses Belotero Soft

to add natural plumpness directly under the eyes.

The appropriate dosage and shape suited to your eye length and Aegyo-sal space

will be determined during the consultation.

At the Gangnam branch, in addition to Aegyo Filler,

we also offer fillers for various areas such as lips, chin tip, front cheeks, forehead and temples, nose, under-eye hollows, and neck wrinkles.

We provide specialized filler treatments for each area.

If you are concerned about a flat eye look even when smiling,

please feel free to visit Cleor Clinic Gangnam.

Even before deciding on a procedure, we will provide a detailed guide on the Aegyo-sal design

that suits your eyes through a pre-consultation.

※ This content is for general informational purposes, and results may vary by individual.

Please make decisions regarding accurate diagnosis and treatment through a consultation with a specialist.