AI-translated archive post

Aren’t All Fillers the Same?

Hongdae Dermatology Skin Clinic 弘大美丽石医院 · ✦뷰티스닥터 합정역✦ · June 23, 2026

Hello. I’m Wi Young-jin, a beauty doctor. ​ ​ When looking into fillers, you may find yourself wondering: “Are all fillers basically the same?” “How are they different from Botox?”...

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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: Hongdae Dermatology Skin Clinic 弘大美丽石医院

Original post date: June 23, 2026

Translated at: August 17, 2026 at 6:33 PM

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

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Hello.

I’m Wi Young-jin, a beauty doctor.

When looking into fillers, you may find yourself wondering:

“Are all fillers basically the same?”

“How are they different from Botox?”

To summarize first,

there are different types of fillers.

The commonly discussed hyaluronic acid filler

is an injectable treatment that considers both

shape and balance in areas that appear to lack volume.

A collagen booster,

rather than focusing on immediate filling,

is an injectable treatment that considers tissue responses within the skin

and the collagen formation process over time.

Its purpose is different from Botox,

which temporarily reduces muscle movement.

Which approach is suitable for your area and goals

is something that should be determined during a consultation,

rather than based solely on the treatment name.

What Kind of Treatment Is a Filler?

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When people commonly say “filler,”

they are often referring to hyaluronic acid filler.

Hyaluronic acid

belongs to a group of substances that naturally exist in our skin.

In fillers, it is formed into a gel

and may be selectively considered for areas that appear to lack volume

or areas where shape adjustment is needed.

For areas related to volume,

such as the forehead, temples, and cheekbones,

whether to use it is determined after a consultation.

With injectable treatments,

the visible result may differ depending on

where and how much is injected.

Therefore, the treatment plan is determined during a consultation

by considering the area, skin thickness, existing volume,

and the balance of the entire face together.

Hyaluronic acid

belongs to a group of substances that help the skin retain moisture.

In fillers, it is made into a gel

and may be used when addressing volume and shape.

What Is the Difference Between a Collagen Booster and a Filler?

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The way collagen boosters work

is explained somewhat differently.

Unlike hyaluronic acid fillers,

which address the sense of volume at the injection site immediately,

collagen boosters can be described as a method of finely injecting ingredients

that induce tissue responses related to collagen formation

within the skin.

Ingredients in the PCL, PLLA, and PDLLA families

are often mentioned in this category.

With these ingredients,

the process of gradual breakdown in the body

and the resulting tissue response are considered together.

Therefore, the timing and pattern of changes

may vary from person to person.

To summarize,

hyaluronic acid fillers are closer to an approach

that considers volume and shape together immediately after injection,

while collagen boosters are closer to an approach

that considers responses within the skin

that appear over time.

Because their purposes and timing are different,

they may be planned separately or together

depending on the area and condition.

Which approach is appropriate

is something to determine together during a consultation

after reviewing your current condition.

PCL, PLLA, and PDLLA

can be described as ingredient families that consider

tissue responses related to collagen formation.

Because each ingredient has different characteristics and application methods,

consultation is necessary.

Are Fillers and Botox Not the Same Thing?

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There is one point worth clarifying here.

Fillers and Botox

address different targets.

Botox

is an injectable treatment that temporarily reduces muscle movement.

Fillers

are injectable treatments selectively considered for areas related to volume or shape.

Therefore, although both may appear similar

in that they are administered by injection,

their purposes are different.

Depending on the area,

Botox may be considered,

fillers may be considered,

or both may be considered together.

However, this is best determined after a consultation

that reviews muscle movement, volume, skin thickness,

and your history of previous treatments.

What to Check Before Treatment

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Before a filler consultation,

it is helpful to review several points together.

During the consultation, we look at

which area is a concern,

whether it appears to lack volume,

whether there is asymmetry,

whether the skin is relatively thin or thick,

and whether you have previously received fillers or other treatments.

Even for the same area,

the appropriate type and amount may vary from person to person.

Because fillers are injectable treatments,

the process of considering the location of blood vessels

and surrounding structures is also important.

After treatment,

redness, bruising, swelling, or a sensation of a foreign body

may occur temporarily,

and the pattern and duration of these reactions

may vary from person to person.

If you are taking medication,

bruise easily,

or previously experienced discomfort after filler treatment,

it is important to mention this during your consultation.

Because skin and volume conditions vary from person to person,

no particular treatment is necessary for everyone.

If you are considering a filler consultation in Hapjeong,

it is advisable to first confirm your current condition and whether treatment is needed through a consultation,

and then discuss the type and area plan.

Detailed information about each treatment

is available on the website.

Frequently Asked Questions

Q. What is the difference between hyaluronic acid fillers and collagen boosters?

A. Hyaluronic acid fillers

are injectable treatments that consider

both the volume and shape of the injection area.

Collagen boosters

can be described as an approach that considers

tissue responses within the skin and the collagen formation process

over time.

Because their purposes and timing are different,

the choice is determined selectively during a consultation

depending on the area and condition.

Q. Can fillers and Botox be administered together?

A. They address different targets.

Botox focuses on muscle movement,

while fillers focus on volume and shape.

Whether to consider them together or separately

is best determined during a consultation based on the area,

muscle condition, volume, and history of previous treatments.

Q. How long do fillers last?

A. This may vary depending on the type, area, and individual condition.

Hyaluronic acid fillers and collagen boosters

may differ in how long their effects last

and when changes become noticeable.

Rather than stating a uniform duration,

it is advisable to review your current condition and desired direction

together during a consultation.

Thank you for reading this long post.

This was Wi Young-jin.

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