How to Get Rid of Smile Lines: Why Simply "Filling" Them Isn't Enough

If you ask whether laugh lines can be completely eliminated, the honest answer is "no." The medical term for laugh lines is the **nasolabial fold (鼻脣溝)**, and it is actually a natural anatomical structural line present even in newborns. Because it is the boundary where the muscles around the nose, cheeks, and mouth meet, erasing the line itself is impossible from the start. Therefore, a realistic goal is not "removal," but alleviation and slowing progression.

More importantly, laugh lines are not simply "skin wrinkles." They are caused by a combination of three factors: loss of volume, midface sagging, and decreased skin elasticity. That is why you must first understand what type of laugh lines you have in order to choose the right method. Blindly filling them in won't make things better.

🔍 Why Do Laugh Lines Form?

The most fundamental underlying cause is a decrease in collagen. It is widely cited that upon reaching adulthood, collagen in the skin decreases by about 1% every year. As collagen is depleted, the skin loses its structural support, and hollowed-out areas do not naturally refill.

On top of this, aging causes the **midface fat pad** to atrophy and shift downward, leading to a loss of cheek volume. When the retaining ligaments that support the skin become loose, sagging is added to the mix. The lines that fold every time you make facial expressions gradually turn into deep furrows.

Among external factors, ultraviolet (UV) rays are overwhelmingly dominant. Research frequently cites that photoaging (UV radiation) accounts for over 80% of extrinsic skin aging. Beyond that, smoking, rapid weight loss, sleeping on your side, and excessive repetitive facial expressions can worsen laugh lines. The reason laugh lines often look deeper after dieting is also that losing fat causes the underlying support structure to collapse.

📌 Key Summary: Laugh lines are the combined result of collagen depletion, volume loss, sagging, and reduced elasticity, with UV rays being the largest external accelerating factor.

🪞 What Type of Laugh Lines Do I Have? (Self-Diagnosis)

Before choosing a method, you need to identify your type. They are broadly categorized into volume loss (hollow) type, sagging type, and reduced elasticity type, and there is an easy way to assess this at home.

Stand in front of a mirror and pull your cheek upward with your hand. If the laugh line almost disappears at this point, it is closer to the sagging type where drooping is the main cause; if the wrinkle remains visible even after pulling, it is closer to the volume loss type driven by volume and structural issues. This simple test significantly changes the direction of your approach.

For reference, laugh lines (nasolabial folds) and the marionette lines that run downward from the corners of the mouth are distinct wrinkles. Confusing the two can lead you to treat the wrong area, so it helps to differentiate them. In clinical practice, an evaluation metric known as the **WSRS (Wrinkle Severity Rating Scale)**—a 5-point scale—is also used to objectively assess wrinkle severity.

📌 Key Summary: If the line disappears when pulling the cheek upward, it is a sagging type; if it remains, it is a volume loss type. The appropriate method differs depending on the type.

🏠 How Far Can At-Home Care Go?

Home care certainly has meaningful value for prevention and maintenance. However, it is best to be honest and recognize its limitation: it cannot smooth out already deeply grooved wrinkles.

If we were to name the two most evidence-based options, they are sunscreen and retinoids.

• Sunscreen (SPF/PA): The most definitive home care measure to block photoaging. It is the baseline for preventing laugh lines.

• Retinoids (Retinol / Tretinoin): They have the strongest clinical evidence among topical anti-wrinkle ingredients. Multiple studies have reported significant improvements in photoaged wrinkles. Start slowly with a low concentration.

• Moisturization: Protects the skin barrier and slows the worsening of fine lines.

It is better to let go of expectations that facial exercises or massages will smooth out laugh lines. In fact, excessively repeating facial muscle contractions can cause the fold lines to set even deeper. Home care is a 'baseline for management,' not a 'definitive solution.'

📌 Key Summary: Sun protection and retinoids are evidence-based home care steps, but they cannot correct deep laugh lines themselves.

💉 The Big Picture to Know When Considering Clinical Procedures

When home care is not enough, there are several options to consider. Let's first outline the general landscape.

For areas with volume loss, hyaluronic acid (HA) fillers are considered the most common first-line choice. The duration lasts roughly 6 to 18 months depending on the product, area, and individual metabolism. However, if sagging is the primary cause and you only inject fillers, it can backfire by making the face look heavy. The rule of thumb for fillers is 'minimal and natural'; over-injecting can look unnatural or lead to a so-called 'monkey-like' appearance. A commonly recommended range is around 1 cc per side.

There is also the approach of increasing collagen itself. Collagen boosters such as PLLA (Sculptra) differ in nature from fillers in that they do not simply fill space, but stimulate personal collagen production over time. If sagging is the issue, options include thread lifting (lasting about 6 months to 2 years), energy-based **HIFU (Ultherapy, Shurink)**, or **radiofrequency (Thermage)**. HIFU delivers energy down to the **SMAS (superficial muscular aponeurotic system) layer**, stimulating collagen regeneration and tissue contraction.

Botox has limited efficacy as a 'standalone' treatment for laugh lines and is only used accessorily. Additionally, for your information, surgical face-lifts involving incisions offer fundamental correction for sagging—aiming to turn back the clock by roughly 10 years—but they carry significant surgical burdens, and the aging process itself continues. As this article focuses on non-surgical approaches from a dermatological perspective, we will only touch on surgery briefly as general information.

📌 Key Summary: Volume loss types need filling; sagging types need lifting. Procedures that do not match the type can be ineffective or produce adverse effects.

⚠️ How Should Safety Be Managed?

The most critical concern with filler-based treatments is **vascular occlusion (vascular embolism)**, which is rare but serious. Because it can lead to skin necrosis or vision problems, you must visit a clinic without delay if you notice signs such as skin discoloration, severe pain, or vision abnormalities after the procedure.

Hyaluronic acid fillers have the advantage of being dissolvable with an enzyme called hyaluronidase if problems occur. It serves as a safety net used to correct overfilling or adverse effects. Therefore, more than the procedure itself, the practitioner's anatomical knowledge and clinical expertise are the core of safety.

Before the procedure, it is advisable to inform the medical team if you are taking anticoagulants or dietary supplements; bruising and swelling usually subside within a few days to 1–2 weeks. For a while immediately after the treatment, it is safer to minimize unnecessary irritation to the treated area.

📌 Key Summary: The most critical safety concepts for filler-based treatments are early recognition of vascular occlusion signs and the practitioner's expertise.

✨ If You Care About Both Sunken Volume and Elasticity: 'Onvolassom'

Concerns about laugh lines ultimately boil down to two things: filling sunken areas right now, and restoring collagen deep within the skin for the long term. When you want to address both pillars simultaneously, Onvolassom is an option worth considering at Gangnam Onlif Clinic.

Onvolassom is a calcium collagen booster specialized for the nasolabial fold area. Unlike conventional HA fillers that merely fill space, its biocompatible calcium particles provide immediate volume replenishment to hollow areas while gradually breaking down within the body to stimulate fibroblasts, thereby inducing natural collagen synthesis. As a result, you can expect both an immediate filling effect and progressive improvements where skin texture plumps up from the inside out over time.

Thanks to its patented lattice-pore structure, the central core stably maintains volume while the outer layers are absorbed layer by layer to promote collagen synthesis. Its defining feature is delivering instant volume and long-term collagen regeneration lasting over a year in a single procedure.

It is an excellent option for individuals who:

• Notice visible laugh lines even when not smiling

• Feel self-conscious because laugh lines make them appear older

• Want to improve both volume and skin elasticity simultaneously

• Desire natural and long-lasting results

Rather than altering the shapes of the eyes, nose, or mouth, Onlif aims to ease skin concerns such as aging and reduced elasticity that overshadow one's inherent beauty. True to the philosophy, 'Because you are precious, we do not change who you are,' we emphasize unexaggerated naturalness.

📌 Key Summary: If you seek both volume replenishment and collagen regeneration, consider the calcium collagen booster Onvolassom.

🙋 Frequently Asked Questions (FAQ)

Can laugh lines be completely eliminated?

Complete removal is impossible. The nasolabial fold is a natural anatomical structure present even in newborns. A realistic goal is alleviation and slowing progression, and noticeable improvements can be achieved with methods tailored to your specific type.

How can I tell if my laugh lines are the sagging type or volume loss type?

Try gently pulling your cheek upward with your hand. If the lines almost disappear, they are likely the sagging type; if they remain, they are closer to the volume loss type caused by structural and volumetric changes. However, mixed types are also common, so an accurate diagnosis requires an in-person assessment.

Does retinol cream actually work on laugh lines?

Retinoids have the strongest clinical evidence among topical anti-wrinkle ingredients, and numerous studies have demonstrated their effectiveness in improving photoaged fine lines. However, they cannot smooth out already deep furrows, so it is best to approach them as a tool for prevention and maintenance.

Can Botox remove laugh lines?

Botox has limited efficacy as a standalone treatment for laugh lines. While it may be used adjunctively depending on facial dynamics, Botox alone clearly has limitations if volume loss or sagging is the primary cause.

What is the difference between Onvolassom and HA fillers?

HA fillers focus primarily on physically filling volume. Onvolassom is a calcium collagen booster that differs by providing immediate volume replenishment while gradually decomposing to stimulate your own collagen production, thereby targeting both volume and elasticity together.

How long do bruising and swelling last after the procedure?

Mild bruising or swelling may occur, typically subsiding within a few days to 1–2 weeks. It is recommended to avoid unnecessary irritation to the treated area for about a week following the procedure. Since individual recovery varies, consulting directly with your practitioner will provide the most accurate timeline.

What to Check Before Choosing a Clinic for Laugh Lines

Even for the same procedure, outcomes and recovery processes vary depending on where, by whom, and how it is performed. Asking the following questions during your consultation will help you make an informed decision.

• Does the clinic perform this procedure frequently? — Every clinic has key procedures it specializes in. Check whether they regularly treat laugh lines.

• Can you verify the products and devices used? — Inquire during your consultation whether you can confirm the product names and authenticity (e.g., whether it is an officially approved import, and if there is a unboxing verification procedure).

• Do they clearly explain the cost breakdown? — Rather than just hearing a total price, you need an explanation of which product is being used, how much, and across what areas to make a sound judgment.

• Do they design the treatment considering overall facial harmony? — Even with the identical procedure, injection sites and dosages vary depending on facial shape, skin condition, and left-right asymmetry.

• Do they proactively explain potential side effects and the recovery process? — Rather than a consultation that only highlights expected improvements, a clinic that also explains potential adverse reactions and how to manage them helps you make a better decision.

• Is there a clear follow-up protocol after the procedure? — Check whether follow-up check-in schedules, emergency contact channels, and criteria for revisiting are established.

How Onlif Clinic Approaches Laugh Lines

• Dividing areas of focus — Grounded in the belief that a single doctor should not attempt to master every procedure, Onlif assigns dedicated physicians to specific treatment areas.

• Verifying products and devices together during consultation — We guide you through the products being used and perform unboxing verification during the consultation process.

• Presenting pricing alongside diagnosis and breakdown — Because treatment areas, dosages, and coverage vary per individual, we transparently explain what each component costs.

• Designing around overall facial balance — Viewing the face through the three pillars of texture, balance, and youth signals, we design treatment plans to refine factors obscuring your natural impression rather than altering facial features.

• Explaining adverse reactions and recovery beforehand — Along with anticipated results, we guide you through individual variations, potential side effects, and management steps prior to treatment.

• Monitoring progress together after the procedure — If you need evaluation during recovery, we provide return visits and open communication channels.

If you are concerned about laugh lines, it is best to first evaluate what can and cannot be achieved given your current condition. An accurate diagnosis and treatment plan can only be determined through an in-person consultation. Find out more through a consultation at Gangnam Onlif Clinic.