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03/07/2026Nasolabial Filler: A Guide to Solving Smile Lines
Among the lines that most significantly influence the perception of aging or “sagging” on our faces are the nasolabial folds (smile lines). Anatomically, these grooves—which start at the sides of the nose and extend down to the corners of the mouth—deepen over time as the fat pads in the cheek area diminish and sag downward due to gravity.
This depth pulls the face downward; it makes a person look much older and more tired than they actually are. (Depending on the patient’s needs, this procedure is often a lip filler (We combine it with the app.)
The procedure that comes into play at this very point, when performed using the correct technique, Before and After Nasolabial Filler creates that noticeable change. This is because the sunken area is filled with hyaluronic acid, restoring it to a flat surface.
How Is It Done, and How Does the Process Work?
The nasolabial region is a high-risk area that requires knowledge of anatomy, as important facial blood vessels (facial arteries) run beneath it. For this reason, at our clinic, we prefer to perform the procedure using a cannula with a blunt tip—which does not tear blood vessels—rather than sharp needles.
- Evaluation: First, we determine whether treatment is needed only for the nasolabial area or also for the cheekbones to correct sagging (mid-face filler).
- Implementation: After local anesthesia, the filler is injected subcutaneously into the groove through a single entry point using a cannula. (This takes about 15 minutes.)
- Instant results: When you look in the mirror immediately after the procedure, you’ll see that the furrows have smoothed out and your facial features appear lifted.
Important rules to keep in mind after the procedure Post-Filling Precautions You can also learn more from my article.
Post-Procedure Expectations and Longevity
The effects of nazolabial filler on the skin, due to its hyaluronic acid content, are as follows.
| Expectation / Status | Detailed Description |
|---|---|
| Duration of Persistence | Depending on the quality of the filler used and the patient’s facial expressions, the results last an average of 9 to 18 months. |
| Edema (Swelling) | There may be very slight swelling in the treated area after the procedure, but there will be no swelling severe enough to interfere with daily life (as is the case with lip fillers). |
| Natural Look | The lines in that area aren’t completely erased as if they’d been “wiped away with an eraser.” That would look unnatural. The goal is to bring that deep indentation back to a normal, smooth skin level. |
Medical guidelines on the safety of medical fillers and risks associated with specific anatomical regions American Academy of Dermatology (AAD) is strictly determined. For this reason, the procedure must be performed by a specialist physician.
Why Do Nasolabial Folds Deepen?
Many people think that nasolabial folds are just local wrinkles; however, the real cause runs deeper. These lines are primarily caused by the downward displacement—or sagging—of the cheekbones and cheek fat pads in the midface region over time.
That is why we perform a comprehensive facial analysis before beginning treatment. Simply injecting filler into the lines can flatten the face and result in an unnatural, puffy appearance (the “cat face” look). The correct approach is to first address the source of the sagging and then soften the remaining lines.
How Does Mid-Face Filler Tighten the Nasolabial Area?
To correct sagging, we first apply midface fillers along the cheekbone line at the nasolabial support points. This support lifts the sagging cheek tissue upward, naturally opening the nasolabial fold from the top.
This creates a lifting effect from the upper part of the face without applying direct pressure to the line. When the cheek is lifted, the depth of the groove already decreases significantly. We then gently smooth out the remaining fine lines in the next step. This holistic approach provides natural rejuvenation without creating an artificial puffiness in the face.
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Natural Results with Nasal Wing Filler
Nasal wing filler instantly softens a tired or sad expression by filling in that deep hollow right next to the nasal wing. Since this area is constantly in motion due to facial expressions, the flexibility of the material used is of great importance.
At our clinic, we prefer dynamic hyaluronic acid fillers that do not crease or look unnatural when you make facial expressions. This ensures that no unnatural swelling or creasing occurs in the treated area when you smile or speak. Our goal is to erase the signs of aging while preserving the face’s character and natural appearance.
Nasolabial Fold Filler and Selection of Dynamic Materials
The most important criterion for nasolabial fold fillers is to choose a material that is flexible enough not to restrict smile expressions. A stiff, immobile filler not only looks unnatural in this mobile area but can also crease over time, forming lines.
That is why we prefer dynamic fillers that adapt to facial movements. As a result, there is no swelling or distortion in the nasolabial area when smiling. Preserving a natural appearance is our most fundamental aesthetic principle, one that helps our patients feel more rested and youthful.
Combination with Cheek Sagging Treatment
In cases of sagging associated with advanced age, fillers alone may not be sufficient. In such cases, we plan treatment protocols for sagging cheeks in conjunction with filler injections. This helps restore the facial contour and reduces sagging that extends down to the jawline.
In cases of severe sagging, the area is first prepared using skin-tightening methods such as gold needle therapy or a thulium laser, and then fillers are applied to the remaining creases. This combination provides both a more long-lasting and a more comprehensive rejuvenation. Each patient’s treatment plan is determined entirely on a case-by-case basis based on a facial analysis.
Duration of Nasolabial Filler and Touch-ups
The duration of hyaluronic acid fillers injected into the nasolabial area varies on average between 9 and 18 months, depending on the gel’s density and facial expressions. Minor touch-up sessions performed before the filler has completely dissolved help extend its duration.
Regular, small doses also stimulate collagen production in the area, delaying the reappearance of deep lines. For this reason, rather than administering a large amount of filler all at once at long intervals, we prefer a measured and monitored approach. This yields results that are both more natural and more cost-effective.
Post-Procedure Sauna and Avoiding Heat
For the first 7 days after the procedure, you should avoid saunas, Turkish baths, tanning beds, and excessively hot baths. Excessive heat can negatively affect the integration of the injected hyaluronic acid into the tissue, trigger swelling, and reduce its longevity.
Keeping the skin cool is important for the filler to settle properly. It is also helpful to avoid excessive facial expressions during this time, as it takes an average of 2 weeks for the hyaluronic acid to fully settle into the tissue by retaining water. For post-procedure care: Swelling after lip fillers You can also check out our article.
Dosage and Budget Planning
The amount of filler used for nasolabial fold treatment varies depending on the depth of the lines and the degree of midface sagging. During the clinical examination, we analyze these two factors to determine how many milliliters of filler are needed. Generally, a total of 1 to 2 ml of filler is sufficient for both sides.
For this reason, the dosage and the associated cost can only be determined after an in-person consultation. We always begin treatment with a transparent plan, clearly explaining the amount needed and the reason for it. Our goal is not to add unnecessary volume, but to give your face exactly what it needs.
Managing Expectations After Nazolabial Filler Treatment
The results in the nasolabial area are often clearly visible immediately after the procedure; however, slight swelling during the first few days may slightly exaggerate the final appearance. The true results become apparent within about a week, once the swelling subsides.
That’s why you shouldn’t look in the mirror during the first few days and jump to conclusions. The goal of a properly planned treatment isn’t to completely erase the lines, but to soften them without straining the skin. At your follow-up appointment, we’ll evaluate the results together and make a minor adjustment if necessary.
Who Is a Good Candidate for Nasolabial Filler?
Nazolabial filler is suitable for a wide range of people who notice that the lines running from the sides of the nose down to the mouth have become more pronounced and feel that this gives their face a tired appearance. These lines typically begin to become noticeable starting in the mid-30s.
However, the same treatment plan is not applied to every patient. In cases of very severe sagging, fillers alone may not be sufficient; the procedure is postponed if there is an active skin infection, or if the patient is pregnant or breastfeeding. We will make the best decision together after conducting a facial analysis. Our goal is to provide you with the most natural-looking results with the least invasive approach.
Frequently Asked Questions
Is the change before and after a nasolabial filler treatment immediately noticeable?
Yes. As soon as the procedure is complete, those deep shadows along the sides of the nose and around the mouth are filled in, and the face instantly looks more rested and refreshed.
Will a filler injection along the side of my nose freeze my facial expressions?
No. When a dynamic filler is selected that is appropriate for the correct depth and muscle movements, your facial expressions will definitely not freeze, and your smile will remain completely natural.
Why is midface filler planned in conjunction with the nasolabial area?
This is because the main cause of nasolabial folds is the sagging of the cheek fat pads. Filling out the midface naturally smooths out the lines by lifting the cheeks.
How many milliliters of filler are needed for nasolabial fold filler?
Although this varies depending on the depth of the groove, a total of 1 to 2 ml (tube) of filler is generally sufficient for both sides.
Can treatment for sagging cheeks be combined with nasolabial filler?
Yes. In cases of severe sagging, treatment for sagging cheeks is first performed using a gold needle or a thulium laser, and then fillers are injected into the remaining creases.
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Application
Filling Application
You can have this procedure done at Dr. Melis Ülger’s office in Kadıköy Caddebostan.
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