Site icon Dr Low Chai Ling

Why Filling Facial Lines Can Make You Look Older

Same face with over-applied makeup on the left and precisely placed makeup on the right

Look at these two faces. They belong to the same woman. Her bone structure, facial proportions and underlying volume have not changed. What has changed is the placement of light, colour and shadow.

Over-applied — the face reads flatter and broader
Precisely placed — less product, more definition

Same face, same bones, same volume. Only the placement of light and shadow is different.

In the first image, the makeup has been applied as though the face were a flat surface. Concealer is spread too widely. Blush sits heavily on the apples. Contour creates darkness without respecting the natural curves of the cheek. Every product is technically doing what it was designed to do — but the overall face appears flatter, broader and heavier.

In the second image, much less is happening. Yet the face looks more defined, lifted and harmonious.

This is the skill behind expert Douyin and Korean-style makeup. The artist is not simply covering imperfections. She is reading the architecture of the face and deciding where light should be reflected, where a shadow should be softened and where contrast should be increased.

Aesthetic medicine should work in exactly the same way.

A line is not the diagnosis

For many years, aesthetic medicine was organised around individual lines.

A patient pointed to her nasolabial folds, so the folds were filled. She pointed to the lines beside her mouth, so those were filled too. A hollow appeared beneath the eyes, and more filler was placed directly inside the hollow.

This approach was logical — but incomplete.

A line is not a pothole. It does not necessarily need to be filled simply because it is visible.

Very often, a line is the surface expression of something happening elsewhere: loss of structural support, changes in the facial fat compartments, bone remodelling, ligamentous laxity, changes in muscle activity or deterioration in skin quality.

Modern anatomical research shows that the face is arranged in distinct layers and fat compartments, each with different structural relationships and patterns of ageing. Treating the visible line without understanding these deeper changes risks correcting the symptom while ignoring its cause.[1]

The line may become shallower, but the face does not necessarily become more beautiful. Sometimes it simply becomes fuller.

We see faces through light and shadow

The human visual system uses highlights, contrast and shadows to interpret three-dimensional shape. Shadows tell the brain where a surface curves inward. Reflected light tells us where it projects.

This is why a small amount of makeup placed correctly can change how an entire face is perceived.

Research on facial perception has shown that cosmetics alter the contrast between the eyes, brows, lips and surrounding skin. These changes in contrast can influence perceptions of femininity, attractiveness and age.[2,3] Makeup is therefore not merely colour placed on skin. It is an optical tool.

Poorly applied makeup ignores this relationship. It may lighten an area that should remain quiet, darken an area that should project, or create a line that fights the natural direction of the face.

The result is not unattractive because makeup is inherently bad. It is unattractive because the placement is wrong.

The same principle applies to fillers — except filler cannot be washed off at the end of the evening.

Why filler started to look like filler

The current backlash against fillers did not appear from nowhere.

People have seen lips that enter the room before their owners. They have seen cheeks that look permanently inflated, under-eyes that remain swollen, and faces in which every natural transition has been replaced by uninterrupted roundness.

The medical literature now recognises facial overfilling as a genuine iatrogenic problem. Excessive volume, repeated treatments without adequate reassessment, incorrect product selection and inappropriate placement can distort normal facial proportions.[4]

Filler can also migrate, persist longer than expected, or cause delayed swelling and nodules. These are real medical considerations — not social-media myths.[5,6]

It would therefore be inaccurate to claim that fillers themselves are never the problem. Different products have different physical properties, and all injectable treatments carry risks.

But the existence of poor filler results does not mean that all fillers are inherently undesirable — just as badly applied contour does not mean that all makeup is undesirable.

The deeper problem is often the philosophy behind the treatment.

When filler is used to chase every visible line, the face gradually accumulates volume without acquiring better structure. Shadows are erased indiscriminately. Natural concavities disappear. The individual begins to look smoother but less recognisable. The face has been treated in pieces rather than understood as a whole.

The Micro Edit

I call my alternative approach The Micro Edit.

A micro edit is a small, anatomically considered adjustment intended to improve the way light travels across the face.

It may mean supporting a structurally important point rather than filling the line beneath it. It may mean softening a shadow without eliminating it completely. It may mean refining a lip border rather than increasing lip volume. Occasionally, it means deciding not to inject at all.

The purpose is not to make every surface smooth. The purpose is to help the different parts of the face relate to one another more harmoniously.

Like good makeup, the best aesthetic work should preserve some shadows. A face without shadows has no dimension.

Foundation before fine brushwork

The Micro Edit works best when the face is considered in two stages.

The Foundation

The foundation concerns the structures that support the face: skin quality, collagen, deeper tissue support and the overall distribution of facial volume.

Depending on the individual, this may involve energy-based tightening, collagen-stimulating treatments, skin rehabilitation or carefully selected structural support.

Nobody should look at the finished face and identify “the foundation.” Its effect is indirect. It creates a better canvas for everything that follows.

The Micro Edit

Only after the foundation has been assessed do we consider the fine brushwork.

This may involve a minute adjustment to a cheek transition, an under-eye shadow, a lip contour or an area of uneven pigmentation. The quantities may be small, but their optical effect can be disproportionately important.

This is not simply “using less filler.” Using too little product in the wrong place is still the wrong treatment.

The distinction is precision: the right product, in the right tissue plane, at the right anatomical point, for the right face.

A sequence, not a syringe

Aesthetic treatment should not be designed as a collection of isolated procedures. It should be a sequence.

First, understand the patient’s facial anatomy and what is changing with time. Then identify which shadows are caused by structural descent, which are caused by volume loss, which are produced by pigmentation, and which are simply normal features of the person’s face.

Next, establish the foundation. Only then should the micro edits be made — conservatively, sequentially and with reassessment between treatments.

Contemporary clinical frameworks increasingly support comprehensive facial assessment and longer-term planning rather than narrowly treating one patient-identified “problem area” at a time.[7] This matters because changing one part of the face inevitably changes how the neighbouring parts are perceived.

The face is a composition. Nothing exists in isolation.

The best result is not the smoothest face

The traditional question was: where is the line, and how do we fill it?

The better questions are: why is that line visible? What is creating the shadow? Does it need volume, support, skin treatment — or nothing at all? What will happen to the rest of the face if we alter it?

These questions take longer to answer. They also require the doctor to resist treating everything that can technically be treated. But that restraint is precisely the point.

The goal of aesthetic medicine should not be to remove all evidence of age or expression. It should be to preserve the person while quietly improving how light, shadow and proportion move across her face.

Small decisions. Precise placement. A face that still belongs entirely to you.

References

  1. Cotofana S, Lachman N. Anatomy of the facial fat compartments and their relevance in aesthetic surgery. Journal der Deutschen Dermatologischen Gesellschaft. 2019;17(4):399–413. doi:10.1111/ddg.13737
  2. Russell R. A sex difference in facial contrast and its exaggeration by cosmetics. Perception. 2009;38(8):1211–1219. doi:10.1068/p6331
  3. Porcheron A, Mauger E, Russell R. Facial contrast is a cross-cultural cue for perceiving age. Frontiers in Psychology. 2017;8:1208. doi:10.3389/fpsyg.2017.01208
  4. Hong GW, et al. Review of the adverse effects associated with dermal filler treatments: Part II — treatment options and management. International Journal of Molecular Sciences. 2024;25. PubMed
  5. Jordan DR, Stoica B. Filler migration: a number of mechanisms to consider. Ophthalmic Plastic and Reconstructive Surgery. 2015;31(4):257–262. doi:10.1097/IOP.0000000000000368
  6. Trinh LN, McGuigan KC, Gupta A. Delayed complications following dermal filler for tear-trough augmentation: a systematic review. Facial Plastic Surgery. 2022;38(3):250–259. doi:10.1055/s-0041-1736390
  7. Humphrey S, et al. A 360° approach to patient care in aesthetic facial rejuvenation. Aesthetic Surgery Journal Open Forum. 2024. PMC

This article is for general education. Treatment suitability, risks, expected effects and alternatives should be discussed during an individual medical consultation. Results vary between individuals.

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