The Nasolabial-Marionette Axis: Structural Fillers with Bio-Remodelling Hyaluronic Acid

One of the most common concerns patients bring to aesthetic consultations is the appearance of deepening lines running from the sides of the nose towards the corners of the mouth, and further downward towards the chin. These structures — known as nasolabial folds and marionette lines — are frequently the first visible markers of mid-face ageing that patients notice in the mirror or in photographs.

Understanding why these changes occur, and what options may exist to address them, leads many patients in London to research treatments online before booking a consultation. The nasolabial-marionette axis has become an increasingly discussed topic in aesthetic medicine, particularly as practitioners explore how structural dermal fillers and bio-remodelling hyaluronic acid treatments may be used in a complementary way.

This article explores the facial ageing processes behind these changes, explains how different types of hyaluronic acid-based treatments work, discusses who may benefit from professional assessment, and sets realistic expectations around treatment goals. It is written to support informed decision-making, not to recommend any specific treatment pathway.

The nasolabial-marionette axis refers to the zone of facial ageing that includes nasolabial folds and marionette lines — two anatomically linked areas affected by mid-face volume loss and soft tissue descent. Structural dermal fillers may restore volume and lift, whilst bio-remodelling hyaluronic acid may improve skin quality and tissue hydration. Combined, these approaches are being studied for their complementary potential in addressing this area of concern.

Nasolabial folds are the creases that run from the sides of the nose down to the corners of the mouth. Marionette lines extend below the corners of the mouth towards the chin, sometimes giving the lower face a downturned appearance. Together, they form what aesthetic practitioners refer to as the nasolabial-marionette axis — a continuous zone of visible facial ageing.

These lines are not purely a consequence of facial expression. They develop through a combination of factors over time:

• Facial fat compartment descent: The mid-face contains several distinct fat pads that gradually descend with age due to gravity and ligament laxity.
• Skeletal remodelling: Subtle changes in facial bone structure, particularly in the mid-face and jaw, alter the foundation upon which soft tissues rest.
• Skin laxity: Reduced collagen and elastin in the dermis means the skin loses its ability to remain taut over the underlying structures.
• Repeated muscle movement: Dynamic facial expressions over decades contribute to the formation of static lines.

Understanding the multi-factorial nature of these changes is important when considering any aesthetic approach. No single treatment addresses all contributing factors, which is why a thorough practitioner assessment is essential before any intervention.

Facial ageing is a complex, three-dimensional process. To understand why the nasolabial-marionette axis deepens with age, it helps to consider what is happening beneath the skin's surface.

Collagen and elastin loss begin gradually from our mid-twenties. Collagen provides structural integrity to the dermis, whilst elastin allows the skin to spring back after movement. As both proteins diminish in quantity and quality, the skin becomes thinner, less resilient, and more prone to folding.

Hyaluronic acid — a naturally occurring sugar molecule found throughout the body — plays a vital role in skin hydration and volume. It holds water within the dermis, maintaining plumpness and suppleness. From our thirties onwards, endogenous hyaluronic acid levels decline, contributing to visible volume loss and dryness.

Fat compartment redistribution is particularly relevant to the mid-face. Research has identified multiple distinct facial fat pads, each behaving differently over time. Some deflate, others descend, and the interplay between them can produce the hollowing and descent that accentuates nasolabial and marionette lines.

Ligament and soft tissue laxity means that the retaining structures holding fat compartments in their youthful positions gradually weaken, allowing gravitational descent to accelerate.

These combined changes explain why addressing the nasolabial-marionette axis from a purely surface-level perspective may be limited in effect, and why structural approaches targeting volume and tissue quality have become an area of interest in aesthetic medicine.

Structural dermal fillers are injectable products — most commonly based on hyaluronic acid — designed to restore volume, lift soft tissue, and re-establish facial contour. In the context of the nasolabial-marionette axis, structural fillers are typically placed to address the underlying causes of descent rather than simply filling surface lines.

Key characteristics of structural fillers include:

• Rheological properties: Structural fillers tend to have higher cohesivity and lifting capacity, making them suitable for deeper plane placement where volumisation and support are the goals.
• Placement depth: A practitioner may choose to place filler at different anatomical depths depending on the treatment objective — from the subcutaneous layer to the supraperiosteal plane above bone.
• Longevity: Most hyaluronic acid structural fillers persist for approximately 12–18 months, though this varies considerably between individuals and product formulations.

It is important to note that structural fillers carry risks, including bruising, swelling, asymmetry, and in rare but serious cases, vascular complications. These risks underline the importance of receiving any injectable treatment from a qualified and experienced practitioner working within appropriate clinical settings.

If you are researching facial volume restoration, our marionette line filler treatment page provides further information on the approach taken at Pantaleo Clinic.

Bio-remodelling hyaluronic acid is a distinct category of injectable treatment that differs fundamentally in purpose and formulation from traditional structural fillers. Rather than adding visible volume or lift, bio-remodelling treatments are designed to improve the quality of the skin itself — targeting hydration, elasticity, firmness, and overall tissue health.

Products in this category typically use a unique technology to stabilise hyaluronic acid in a way that allows it to disperse through the tissue rather than remaining localised. This can stimulate fibroblast activity and encourage the skin's own production of collagen and elastin.

In the context of the nasolabial-marionette axis, bio-remodelling hyaluronic acid may be considered as a complementary approach to structural fillers. Whilst structural fillers address volume and support, bio-remodelling targets the skin quality overlying that region — potentially improving texture, hydration, and resilience in an area that is often characterised by thinning, crepey skin.

Bio-remodelling treatments are typically delivered via a series of injections at specific anatomical points and are usually administered in two sessions, approximately four weeks apart. The effects are gradual and build over several weeks as tissue remodelling occurs.

The concept of combining structural fillers with bio-remodelling hyaluronic acid reflects a broader shift in aesthetic medicine towards treating facial ageing from multiple complementary angles rather than relying on a single modality.

When considering the nasolabial-marionette axis specifically, this combined approach might be thought of in the following way:

• Structural fillers may address the underlying volume deficit and soft tissue descent contributing to the depth and shadow of nasolabial and marionette lines.
• Bio-remodelling may then address the quality and condition of the skin overlying these areas, improving hydration, elasticity, and surface appearance.

Together, they may offer more comprehensive results than either treatment alone — though it is essential to emphasise that outcomes are highly individual and cannot be guaranteed. The appropriateness of any combination approach depends entirely on an individual patient's anatomy, skin condition, treatment history, and clinical assessment.

Patients who have previously explored skin booster treatments may find it useful to discuss how these options might complement one another during a consultation.

If your main concern is fold depth around smiling, this related guide on micro-dermal fillers with deep hyaluronic hydration for smile lines may be useful reading.

Aesthetic treatment is not suitable for everyone, and professional assessment is always the appropriate first step before considering any injectable treatment. A consultation with a qualified practitioner allows for:

• Individualised anatomical assessment: The nasolabial-marionette axis looks different from person to person. What works structurally for one patient may not be appropriate for another.
• Medical history review: Certain health conditions, medications, or previous treatments may affect suitability or require modification of any proposed approach.
• Realistic expectation setting: A good consultation helps patients understand what improvement may realistically be achievable, rather than what appears possible in edited photographs or social media content.
• Informed consent: Patients should have a thorough understanding of the risks, limitations, and alternative options before agreeing to any treatment.

You might consider booking a professional consultation if you have noticed:

• Deepening nasolabial folds that were not previously visible at rest
• Lines running below the corners of the mouth affecting your confidence
• A loss of definition in the mid-face and cheek area
• Skin in this region that appears thinner, drier, or less resilient than before
• General concerns about facial volume changes you would like to discuss professionally

These observations are not medical diagnoses, and noticing them does not mean treatment is necessary. Many patients find value in a consultation simply for the educational discussion and personalised perspective it provides.

Aesthetic medicine works best when patients approach treatment with realistic, well-informed expectations. The following offers a balanced overview relevant to this area of treatment.

Potential Benefits That May Be Discussed

• Softening of the depth and shadow associated with nasolabial folds and marionette lines
• Restoration of mid-face volume that may improve the structural appearance of the lower face
• Improvement in skin quality, hydration, and elasticity in the treated region over time
• A more rested or refreshed facial appearance that does not look dramatically altered

Important Limitations to Understand

• No injectable treatment reverses the ageing process; it may address visible signs but cannot halt the underlying biological changes
• Results are temporary and maintenance treatments are typically required over time
• Individual variation means results differ significantly between patients, even when using identical products and techniques
• Combination approaches require careful sequencing and clinical judgement to avoid overtreatment
• Skin quality concerns, such as significant laxity, may require additional or alternative treatment modalities

Factors That May Affect Results

• Age and degree of volume loss
• Skin thickness and quality at baseline
• Smoking status and lifestyle factors
• Sun exposure history
• Previous aesthetic treatment history
• Individual tissue response and metabolism

Following any injectable aesthetic treatment in the nasolabial-marionette region, aftercare plays an important role in supporting the recovery process and optimising comfort. Practitioners will provide specific guidance tailored to the individual treatment received, which should always take precedence over general advice.

General considerations that practitioners may discuss include:

• Avoiding strenuous exercise for 24–48 hours following treatment to minimise bruising and swelling
• Avoiding excessive heat — including saunas, steam rooms, and sunbathing — for a similar period
• Sun protection: Daily use of SPF 30 or above is recommended as part of a broader skin health routine, particularly for skin that has been treated with injectable hyaluronic acid
• Gentle skincare: Avoiding active skincare ingredients such as retinoids or acids in the immediate post-treatment period, as directed by your practitioner
• Hydration: Maintaining good hydration supports overall skin health and may complement the effects of hyaluronic acid-based treatments
• Attending follow-up appointments: A review appointment allows the practitioner to assess the outcome and determine whether any adjustment is appropriate

Long-term skin health is best supported by consistent sun protection, a balanced diet, adequate hydration, avoidance of smoking, and regular practitioner-led skin reviews.

• The nasolabial-marionette axis is a zone of the face commonly affected by mid-face ageing, influenced by volume loss, soft tissue descent, and skin quality changes.
• Structural dermal fillers aim to restore volume and support in the deeper tissue layers, whilst bio-remodelling hyaluronic acid targets skin quality, hydration, and elasticity.
• Combination approaches may address different aspects of this area of concern but must always be assessed and planned on an individual basis by a qualified practitioner.
• Results are not guaranteed and vary considerably between individuals depending on anatomy, skin condition, lifestyle, and treatment history.
• Professional consultation is the essential starting point for anyone considering any form of injectable aesthetic treatment.
• Aftercare and long-term skin health habits — including sun protection and hydration — support the overall condition of the skin over time.

What is the difference between structural dermal fillers and bio-remodelling hyaluronic acid?

Structural dermal fillers are formulated to add volume, provide lift, and restore facial contour by remaining localised within the tissue where they are placed. Bio-remodelling hyaluronic acid, by contrast, is designed to spread through the tissue and stimulate the skin's natural collagen and elastin production rather than adding visible volume. They serve complementary purposes — structural fillers address the underlying architecture of facial ageing, whilst bio-remodelling targets skin quality and hydration. A qualified practitioner can help determine which approach, or which combination, may be appropriate following a thorough individual assessment.

How long do results from structural fillers in the nasolabial-marionette area typically last?

The longevity of structural dermal filler results varies between individuals and depends on the specific product used, the volume placed, the individual's metabolic rate, lifestyle factors, and the area treated. As a general guide, many hyaluronic acid-based structural fillers in this region may last between 12 and 18 months before a maintenance treatment is considered. Some patients may notice results lasting longer or shorter than this range. A practitioner review appointment helps to assess how well results are being maintained over time.

Are these treatments suitable for everyone who has nasolabial folds or marionette lines?

No — treatment suitability depends on a thorough individual assessment. Nasolabial folds and marionette lines are a natural part of facial ageing and do not necessarily require or benefit from treatment in every case. Factors such as degree of laxity, overall facial anatomy, skin condition, medical history, and patient expectations all influence whether any given treatment approach is appropriate. Some patients may be better served by alternative treatments or may not be suitable candidates for injectables at a particular point in time. A consultation with a qualified aesthetic practitioner is the appropriate starting point.

What are the risks associated with injectable hyaluronic acid treatments in this area?

As with any injectable aesthetic treatment, there are associated risks that should be fully understood before proceeding. Common side effects include bruising, swelling, redness, and tenderness at the injection site, which typically resolve within a few days to two weeks. Less common risks include asymmetry, lumpiness, or prolonged swelling. Rare but serious complications, including vascular occlusion — where filler inadvertently enters a blood vessel — can occur and require immediate medical attention. This underlines the importance of receiving treatment only from a qualified and experienced practitioner in an appropriate clinical setting, where adverse events can be managed safely.

Can bio-remodelling hyaluronic acid be used alone, without structural fillers, in this area?

Yes — bio-remodelling hyaluronic acid can be used as a standalone treatment and may be appropriate for patients whose primary concern is skin quality, hydration, or early signs of skin laxity rather than significant volume loss. For patients with more pronounced volume deficit or deeper structural changes in the nasolabial-marionette region, structural fillers may be recommended as a primary or complementary approach. The decision depends entirely on an individual assessment of the patient's anatomy, concerns, and treatment goals. There is no universal treatment protocol that applies to all patients.

How many sessions of bio-remodelling treatment are typically required?

Bio-remodelling hyaluronic acid treatments are typically delivered as an initial course of two sessions, spaced approximately four weeks apart. Following the initial course, maintenance sessions are often recommended every six to twelve months to sustain the skin quality benefits. However, individual treatment plans vary, and a practitioner will advise on the most appropriate schedule based on the patient's response to the initial sessions and their ongoing skin condition. Some patients may be advised to combine bio-remodelling with other skin health treatments as part of a broader skincare strategy.

The nasolabial-marionette axis represents one of the most anatomically and aesthetically significant zones of mid-face and lower face ageing. Understanding the structural and biological changes that contribute to nasolabial folds and marionette lines helps patients approach treatment research with greater clarity and more realistic expectations.

Structural dermal fillers and bio-remodelling hyaluronic acid represent two distinct but potentially complementary approaches within aesthetic medicine. Structural fillers may address volume loss and soft tissue support, whilst bio-remodelling treatments may improve the quality, hydration, and resilience of the overlying skin. When thoughtfully combined and tailored to the individual, these approaches reflect the evolving, nuanced understanding of facial ageing within the field.

However, it is essential that any patient considering aesthetic treatment in this area approaches it through informed, careful decision-making. No treatment is universally appropriate, results cannot be guaranteed, and individual variation is significant.

Treatment suitability, risks, and expected outcomes should always be assessed individually during a professional consultation.

If you would like to discuss your concerns with a qualified practitioner at Pantaleo Clinic in London, you are welcome to book a consultation where a personalised, clinical assessment can be provided.