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What Makes a Clinic Good at Forehead Fillers in Hongdae?

You&I Clinic Hongdae Sinchon · 홍대 신촌 유앤아이의원의 예뻐지는 피부비결 · June 15, 2026

What Makes a Clinic Good at Forehead Fillers in Hongdae? What makes it different? ​ The questions most often asked by people looking into forehead fillers are generally similar. ​...

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This page is an English translation of a Korean Naver Blog archive entry. For exact wording and source context, verify against the Korean archive original and the original Naver post.

Clinic: You&I Clinic Hongdae Sinchon

Original post date: June 15, 2026

Translated at: August 17, 2026 at 4:41 PM

Medical note: This translation does not guarantee medical accuracy or suitability for treatment decisions.

What makes it different?

The questions most often asked by people

looking into forehead fillers

are generally similar.

“How much needs to be added?”

“Will it look natural?”

However, when it comes to forehead fillers,

there are questions we receive

just as often as the ones above.

“How long does it last?”

“Won’t it sink back in again

after a few months?”

The duration of fillers varies depending on the treatment area,

how the procedure is performed,

and how it is managed afterward.

So let’s take a closer look at how

a clinic that is good at forehead fillers

performs the procedure, rather than simply injecting a large amount.

What Makes a Clinic Good at Forehead Fillers in Hongdae?
​1. Why are forehead filler procedures in Hongdae difficult? ​2. What duration was confirmed in a research paper?​
  1. Why are forehead filler procedures in Hongdae difficult?

The forehead has a relatively large surface area on the face,

but the skin is thin

and lies close against the bone.

In addition, it is also the area where

the muscles that raise and lower the eyebrows

move most frequently throughout the day.

What Makes a Clinic Good at Forehead Fillers in Hongdae? image 1

Therefore, even when the same amount is injected,

the injected material is compressed and displaced

every time you make an expression,

making it easy for the shape to become distorted.

The lifespan of the filler itself

also needs to be taken into account.

Hyaluronic acid fillers, which are commonly used,

are gradually broken down in the body,

so they are generally known to show

a reduction in effect after around

12 to 14 months.

In other words, with the forehead,

simply “filling it well” is not enough.

The key is whether the shape can withstand movement

and remain stable over time.

So let’s use a research paper

to check how long the results actually last.

  1. Forehead fillers in Hongdae

What duration was confirmed in a research paper?

This was a research study that followed patients

for up to 18 months after filler treatment.

What Makes a Clinic Good at Forehead Fillers in Hongdae? image 2

A research paper on forehead fillers

A total of 196 people participated in the study.

Their average age was approximately 53,

and 84 of them received injections in the forehead.

What Makes a Clinic Good at Forehead Fillers in Hongdae? image 3

The forehead wrinkle scale (Bazin)

improved by an average of 1.5 grades

just three weeks after injection,

and approximately 94% were assessed as improved

at this point.

What Makes a Clinic Good at Forehead Fillers in Hongdae? image 4

Changes in the forehead wrinkle scale

The truly important part comes next.

Even after 18 months,

approximately 66% of the forehead areas

were still in an improved condition.

What Makes a Clinic Good at Forehead Fillers in Hongdae? image 5

Improvement status at 18 months

According to the wrinkle scale,

an average improvement of 0.8 grades

remained at 18 months,

and approximately 62% continued to be assessed as improved.

As mentioned earlier,

hyaluronic acid generally shows

a reduction in effect after 12 to 14 months,

but this study confirmed that the effect

lasted for up to 18 months.

  1. Forehead fillers in Hongdae

Why did the results last so long?

There was a reason why the effects of forehead fillers

lasted for a long time in the clinical study.

Although the amount of filler injected was not large at 1.1 mL,

the filler was distributed evenly at an appropriate depth

according to the condition of the skin during the procedure.

What Makes a Clinic Good at Forehead Fillers in Hongdae? image 6

Comparison of the appearance before treatment and 18 months after treatment in the study

The forehead is an area where

facial expression muscles and blood vessels

pass through in a complex arrangement.

If filler is placed in one area as a lump,

the surface may become uneven,

or it may gradually sag downward over time.

The key to the long-lasting results of the forehead filler

was the procedure being performed in evenly divided areas

to minimize movement as much as possible

and create an attractive shape.

If you are looking into forehead fillers in Hongdae,

rather than choosing a place that only talks about

the amount of filler,

we hope you will check whether it explains

how the procedure will be performed

according to the shape of your forehead.

What Makes a Clinic Good at Forehead Fillers in Hongdae? image 7

U&I Clinic Hongdae

A good clinic may also differ in its attention to detail

during the procedure,

but in reality, it can be difficult to know

those details during a consultation alone.

Instead, if you ask as many questions as possible—

such as what your forehead structure and muscle movements are like,

what formulation will be used,

and how much will be injected—

you will be able to find

one of the better clinics among them.

I hope today’s information

will be helpful to those looking into forehead fillers.

Thank you.

This was U&I Clinic Hongdae Sinchon^^

<The story of U&I Clinic’s Hongdae Sinchon branch built over 10 years>

<How to get to U&I Clinic Hongdae Sinchon branch>

What Makes a Clinic Good at Forehead Fillers in Hongdae? image 8

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