2026-09-03
Nasolabial Fold Filler: 3 Essential Checks Before Getting It
Considering nasolabial fold filler? This article covers the causes of nasolabial folds, when filler is appropriate, key checks before treatment, and factors for natural results.

※ This article is intended to provide medical information.
It is not subject to review under Articles 56(2) and 57 of the Medical Act,
and we inform you that it is not an advertisement unrelated to the review content.
Hello,
I am Dr. Park Jung-geun,
Director of Faceplus Plastic Surgery Clinic.

Sometimes, when you look in the mirror, you might notice that the area around your mouth looks deeper than before.
At such times, one of the most commonly searched procedures is nasolabial fold filler.
However, even if they appear to be the same nasolabial folds, the causes vary from person to person, and simply filling the volume is not always the best option.
This is because you need to consider skin elasticity, fat position, and facial bone structure together to expect natural results.

Today, we will look at key information that is good to know in advance if you are considering nasolabial fold filler.
Table of Contents | ||
1. What causes nasolabial folds? 2. When is nasolabial fold filler appropriate? 3. Checkpoints to confirm before the procedure 4. Factors that determine natural results |
1. What causes nasolabial folds?

Nasolabial folds are not simply caused by aging.
Due to congenital facial bone structure or differences in skin thickness, the nasolabial lines may appear deep even at a young age, and over time, skin elasticity decreases and cheek fat moves downwards, making them more prominent.
Additionally, repetitive facial expressions and weight changes can also have an impact.

As the causes are diverse, it is important to first identify why the wrinkles have appeared before considering nasolabial fold filler.
Rather than simply filling the deeply sunken areas, examining the overall facial volume and balance together can help determine a more natural approach.
2. When is nasolabial fold filler appropriate?
Not all nasolabial folds are suitable for nasolabial fold filler.

If the area around the nasolabial folds lacks volume, creating shadows, filler is often considered.
Conversely, if there is significant skin sagging, it may be difficult to achieve the desired change with filler alone.
In such cases, the cause of the sagging is examined, and other procedures may be combined or a different approach considered.

Furthermore, it is important to not only look at the nasolabial line but also to check the volume status of the anterior cheeks and midface together.
This is because the overall three-dimensionality of the face must be harmonious to reduce the prominence of only specific areas.
Therefore, it is advisable to decide on nasolabial fold filler by considering the individual's facial structure and aging patterns together.
3. Checkpoints to confirm before the procedure
Before planning the procedure, there are more important factors than just the product or volume to be used.

First, the skin thickness and elasticity must be checked.
This is because even with the same amount, the results can vary depending on the skin's characteristics.

Next, facial symmetry and proportions should also be considered.
Since no one's face is perfectly symmetrical, filling both sides identically does not always lead to natural results.
How the nasolabial line moves when making expressions is also an important evaluation factor.
Since the appearance differs when smiling and when at rest, plans often consider these movements.
After going through this process, proceeding with nasolabial fold filler can help set a direction that harmonizes with the entire face.
4. Factors that determine natural results
What many people desire is a natural change that is not obvious.

To achieve this, it is necessary to consider the overall balance of the face, not just filling the nasolabial folds.
Rather than filling too much like a single line from the side of the nose to the corner of the mouth,
planning while considering the areas lacking volume and the three-dimensionality of the face together helps create a natural impression.
Additionally, excessive volume can make the face appear heavy or unnatural, so an approach tailored to the individual's face shape is important.

Even for the same nasolabial fold filler procedure, the application method can vary depending on facial structure, skin condition, and degree of aging.
Therefore, before deciding on the procedure, it is helpful to comprehensively evaluate the entire face, thoroughly confirm the cause of the current nasolabial folds and the direction of improvement, and then make a plan to expect more satisfactory results.
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Frequently Asked Questions
Why do nasolabial folds appear?
Nasolabial folds do not simply appear due to aging. They can result from various causes such as congenital facial bone structure, differences in skin thickness, decreased skin elasticity, downward movement of cheek fat, repetitive facial expressions, and weight changes.
In what cases is nasolabial fold filler effective?
Filler is suitable for cases where the area around the nasolabial folds lacks volume, creating shadows. Conversely, if there is significant skin sagging, it may be difficult to achieve the desired change with filler alone, so other procedures may be considered.
What should be checked before a nasolabial fold filler procedure?
Before the procedure, skin thickness and elasticity must be checked. Additionally, facial symmetry, proportions, and how the nasolabial line moves when making expressions must be carefully considered.
How can I achieve natural nasolabial fold filler results?
For natural results, it is important to consider the overall facial balance and three-dimensionality, not just filling the nasolabial folds. Avoid excessive volume, and an approach tailored to the individual's face shape is crucial.
Can nasolabial folds appear at a young age?
Yes, it's possible. Due to congenital facial bone structure or differences in skin thickness, nasolabial lines can appear deep even at a young age, and this can occur regardless of age.