Nasolabial Fold Filler

What Are Nasolabial Folds?

Nasolabial folds are the two lines that run from each side of the nose down to the corners of the mouth. Also called smile lines, laugh lines, or “parentheses lines,” they’re a normal part of facial anatomy — everyone has them — but they deepen with age.

Why they get deeper: as the midface loses volume and the cheek fat descends with age, the tissue folds over at the nasolabial crease. Loss of skin collagen, sun damage, and years of repeated smiling add to it. In other words, a deep smile line is usually a sign of volume loss and descent higher up in the cheek — which is key to treating it well.

What Does Nasolabial Fold Filler Do?

Nasolabial fold filler is a non-surgical treatment in which a hyaluronic acid gel is injected to soften and lift deep smile lines, restoring a smoother, more rested appearance around the mouth. It takes about 15–30 minutes and needs no recovery time.

The most natural results come from a light touch: softening the fold rather than erasing it completely, so your face still moves and looks like you.

Treating the Cause, Not Just the Line

Injecting directly and heavily into the fold can create a stiff, over-filled “shelf.” An experienced injector often does the opposite — restoring support where the volume was actually lost:

Smile Lines: All Your Options Compared

Filler is the quickest fix, but it isn’t the only one. The right choice depends on why your folds have deepened — volume loss, or true sagging:

If you’re in your 30s–40s with mild folds, filler is usually the perfect fit. If the folds are deep because the whole mid-face has dropped, a lift gives a more natural, longer-lasting result than stacking filler.

The Procedure & Aftercare

• Assessment: your injector decides whether to support the cheek, treat the fold, or both.
• Numbing: topical anaesthetic plus lidocaine in the filler keep it comfortable.
• Injection: HA filler is placed with a fine needle or a blunt cannula, which reduces bruising and risk.
• Result: visible immediately, settling fully over 1–2 weeks.

How Long Does Nasolabial Filler Last?

Results typically last 9–12 months, sometimes up to 18 months depending on the product, how much is used, and your metabolism. Because the mouth area moves a lot when you talk and smile, filler here breaks down a little faster than in low-movement areas like the cheeks. A light top-up once or twice a year keeps the result looking consistent, and it fades gradually rather than suddenly.

Risks and Safety

Filler is very safe in trained medical hands, but the nasolabial area sits near important blood vessels, so technique matters more here than in many other areas:

• Common & temporary: swelling, redness, tenderness, or small bruises that clear within days.
• Lumpiness or a heavy look: avoidable with conservative, well-placed injection.
• Rare but serious: vascular occlusion (filler entering a vessel). This region is a recognised higher-risk zone, which is exactly why it should be treated by a qualified doctor who can recognise and reverse a problem immediately.

Nasolabial Fold Filler Cost in Turkey (2026)

Smile-line filler in Turkey costs significantly less than in the UK, US, or Western Europe, using the same premium branded products. Most people need one to two syringes; deeper folds and a combined cheek-support approach may need a little more.

Why Choose Op. Dr. Ali Çetinkaya

Op. Dr. Ali Çetinkaya is a Plastic, Reconstructive and Aesthetic Surgery specialist in Istanbul who treats smile lines conservatively and safely — often supporting the cheek to lift the fold rather than overfilling it. As a facial surgeon, he’ll also tell you honestly when a lift would serve you better than filler. Smile-line treatment pairs well with cheek filler or lip fillers for balance. Learn more on the About page or via the contact page.

Frequently Asked Questions

How long does nasolabial fold filler last?

Usually 9–12 months, sometimes up to 18. Because the mouth area moves a lot, filler here fades a little faster than in the cheeks. A light top-up once or twice a year keeps it consistent.

Does it hurt, and is there downtime?

Discomfort is minimal with numbing cream and lidocaine in the filler, and there’s essentially no downtime. Mild swelling or a small bruise can occur and settles within days.

Will it make me look overfilled?

Not when done conservatively. Softening the fold — often by supporting the cheek above it — looks natural. Heavy, direct overfilling is what creates a stiff, unnatural look.

Is smile-line filler safe?

It’s very safe with a qualified doctor. This area sits near blood vessels, so a trained medical injector — who can manage the rare complication and dissolve HA filler if needed — is important.

Can the filler be reversed?

Yes, if hyaluronic acid is used it can be dissolved within hours with hyaluronidase.

Filler or a facelift for deep smile lines?

If the cause is volume loss, filler is ideal. If it’s mostly sagging skin, a mid-facelift or deep plane facelift gives a more natural, lasting result. A consultation will tell you which applies.

Is it better to fill the fold or the cheek?

Often the cheek. Because deep folds usually come from mid-face volume loss, supporting the cheek lifts the fold more naturally than injecting heavily into the crease itself. Many patients get the best result from a combination.

How can I make my smile-line filler last longer?

Stay hydrated, protect your skin from the sun, avoid heavy repeated facial movements right after treatment, and keep a stable weight. A light top-up before the filler fully fades also maintains the result more smoothly.