Hello. I'm Dr. Dongmin Lee of Ruby Dermatology Clinic, where we use refined anatomical design to shape natural-looking facial contours without any awkwardness.

"My nasolabial folds have gotten deeper and I'd like to get filler, but I'm worried it will migrate upward over time and make my expression look unnatural, or make the area beside my nose look heavy."

This is one of the side effects that worries patients most when they come to my clinic about nasolabial lines and hollowing.

After nasolabial fold filler, upward migration or clumping happens because a simple one-dimensional filling approach was used that ignored the paths of the facial muscles that move when you chew and smile. By mapping the precise anatomical position of the facial muscles of expression and placing products with suitable properties in separate deep and shallow layers, a 3D multi-layer injection technique can create a smooth nasolabial line that stays natural even in motion.

💡 [3-Point Summary]

Why nasolabial filler migrates: The nasolabial area has very active muscles of expression, such as the levator labii superioris. If filler is injected all at once into the shallow layer above the muscle, muscle pressure pushes it upward.

How 3D multi-layer injection works: A highly cohesive, high-elasticity filler builds a support structure in the deep layer above the periosteum, while a flexible, soft-viscosity filler or skin booster smooths the lines in the shallow layer of the lower dermis.

Safe cannula technique: The nasolabial area is a danger zone where the facial artery runs, so a blunt, high-quality cannula should be used instead of a sharp needle to prevent vascular injury.

A. The Anatomical Reasons Nasolabial Filler Migrates or Clumps

Nasolabial folds are not simple skin creases; they form through the combined effect of resorption of the maxilla (upper jawbone), the inferomedial descent of the cheek fat pad (jowl fat), and the repeated contraction of the muscles of expression.

Dynamic muscle pressure:

When you smile or talk, the muscles that lift the corners of your mouth contract strongly. If a heavy filler sits in the subcutaneous fat layer directly above these muscles, it is pressed with every movement and pushed toward the path of least resistance, upward toward the lower cheekbone.

Blood vessel distribution and paranasal hollowing:

The starting point of the nasolabial fold, beside the base of the nose, is an anatomical danger zone close to the facial artery. Setting the injection depth incorrectly without understanding the structure here raises not only the risk of migration but also the risk of vascular compression.

B. Is It Right for Me? Who Nasolabial Filler Is Recommended For, and Who Should Take Care

1) Strongly recommended for:

People with a deeply hollowed area beside the base of the nose that makes the mouth look relatively protruded

People whose nasolabial folds make them look older and tired

People who have had filler clump or migrate after a previous treatment and hesitate to try again

2) Cases where precise treatment design is essential:

People whose cheek and mouth-corner fat sags heavily so that the fat fold above the nasolabial fold is the main cause (simple filler injection may make the face look larger, so it should be combined with thread lifting or a contouring laser)

C. Three Treatment Principles for Natural Nasolabial Filler Without Migration

Building a support structure in the deep sub-periosteal layer:

A premium HA filler with excellent gel retention and elasticity is injected above the deep bone of the maxilla to firmly support the framework of the hollowed paranasal area. Because it sits beneath the muscle layer, the filler does not shift when you move.

Covering fine lines in the shallow subdermal layer:

Remaining shallow line wrinkles on the skin surface are covered with a fine application of a soft, flexible hyaluronic acid product or Juvelook, so the area blends smoothly with no foreign-body feeling when you make expressions.

Using a fine blunt-tip cannula:

To minimize the risk of injury to the facial artery and other vessels, and to keep pain and bruising low, treatment is performed safely with a blunt cannula.

D. Standard Single-Layer Injection vs. 3D Multi-Layer Injection

E. Recovery and Duration of Results

Recovery (downtime): Because a blunt cannula is used, there is little bruising or swelling right after treatment, and you can return to daily life and work immediately.

Duration of results: Depending on the product formulation and the multi-layer approach, results typically last 1 to 1.5 years.

F. 🔥 A Natural Look, Not an Awkward One: Combination Protocols for Nasolabial Fold Improvement

Nasolabial 3D Filler + Juvelook:

Filler builds the support structure for deep hollows, and Juvelook is layered over it to smooth the fine lines and reduced elasticity on the surface of the fold with the skin's own collagen.

Nasolabial 3D Filler + INMODE / Oligio (RF contour refinement):

Smoothing the cheek fat that heavily overlies the nasolabial fold with a radiofrequency lifting device before filler gives a much lighter, slimmer contour.

G. Dr. Dongmin Lee's Practical Know-How & Clinical Insights

Nasolabial filler is not about filling in as much as possible. It is a three-dimensional balancing treatment that understands the shading of the whole face and the movement of the muscles, and removes unnecessary shadows.

Before treatment, I have the patient smile broadly and speak so I can precisely assess the movement of the muscles of expression and the depth of the hollowing. Taking the position of the facial artery into account, I first build a firm pillar with high-elasticity filler above the periosteum, then place very small amounts while avoiding the layers that are stimulated by facial expressions, using my '3D multi-layer dual-injection technique.' The aim is a smooth, younger-looking impression that feels like your own skin, with no foreign-body feeling or clumping, even right after treatment.

📌 [Final Notes] Pre- and Post-Treatment Precautions

Avoid exaggerated expressions: For 1–2 weeks after treatment, avoid laughing with your mouth wide open or chewing hard foods forcefully.

Do not irritate the treated area: While the filler settles, take care not to press hard on the treated area with your hands or get meridian-type massage.

Avoid alcohol and heat: To prevent early bruising and swelling and help the filler settle safely, avoid alcohol, saunas and steam rooms for a week.

About the Author

Dr. LEE Dongmin

Ruby Dermatology Clinic

After graduating from Korea University College of Medicine, Dr. Lee served as director of U&I Clinic and of Ruby Plastic Surgery, and is now director of Ruby Dermatology Clinic, dedicated to restoring each patient's natural skin health and beautiful contours.

Korea University, College of Medicine (M.D.)

Member of Korean Society of Filler

Member of Korean Society of Laser, Dermatology and Hair

Member of Korean Society of Obesity and Aesthetic Medicine

Former Doctor, RUBY Plastic Surgery, U&I Clinic