Marionette lines: why they form and how to treat them

Marionette lines are the folds that run downwards from the corners of the mouth towards the jawline, named after the hinged mouth of a puppet. Patients describe them as making the face look tired, disapproving or sad, and they are among the changes people find most difficult to ignore, because they alter the expression the face wears when it is doing nothing at all.

They are also routinely misunderstood as a line problem. They are a support problem, and that distinction determines whether treatment works.

Why they form

Four processes converge in the lower face. Bone provides the scaffold, and the mandible and the area around the chin lose projection and height with age, so the tissue above has less to sit on. The facial fat is not a single layer but a series of compartments, and those in the cheek reduce in volume and descend, so weight accumulates lower down.

The retaining ligaments that tether skin and soft tissue to the underlying bone weaken and stretch, allowing descent along predictable lines. And the skin loses collagen and elastin, so it accommodates rather than resists the movement. The marionette line is where the descending tissue meets a tethered boundary, which is why it appears as a fold rather than a general sag. The same mechanism is set out in detail in why faces age.

The muscle that pulls the corner down

There is also an active component. The depressor anguli oris runs from the jaw up to the corner of the mouth and its job is to pull that corner downwards. In many people it becomes relatively dominant over time, deepening the fold and contributing to a downturned resting mouth.

Very small, precisely placed doses of botulinum toxin can reduce that pull, allowing the corner to sit slightly higher at rest. It is a technique that rewards conservatism, since the muscles around the mouth are involved in speech and smiling. Used well it is a genuinely useful adjunct. Used heavily it produces an uneven smile.

Why filling the line itself usually fails

The instinct is to inject the crease. In practice that often produces a firm ridge that is visible in certain light, does not move naturally, and does nothing about the descending tissue that created the fold in the first place. The fold reappears above the treated area, and the face acquires a heaviness around the mouth without looking any less tired.

The more effective approach in most cases is to restore support higher up. Placing product on the lateral cheek and along the jawline, where firmer structured gels are appropriate and where the tissue is less mobile, reduces the weight bearing down on the fold. Chin projection is frequently part of the answer too, since a recessive chin exaggerates the whole lower face pattern. The fold then softens as a consequence rather than being attacked directly.

Product choice and placement

Hyaluronic acid remains the most used category in UK practice, largely because it can be dissolved if the result is not right. Firmer, more cross-linked gels suit structural placement deep on bone in the cheek, chin and jaw. Softer gels suit superficial work near the fold itself, where a small amount can blend the transition once the structure above has been addressed.

Some practitioners use collagen stimulating injectables, which work by prompting the body to lay down its own collagen over a period of months rather than by adding immediate volume. These are not reversible in the way hyaluronic acid is, which raises the standard of assessment required before they are used, and they are best considered in a practice that uses them regularly.

Where skin treatments help

Where the skin itself has thinned and creased, energy based and resurfacing treatments have a role. Microneedling with radiofrequency, fractional laser resurfacing and medium depth peels all aim to stimulate dermal remodelling. They improve the quality and thickness of the skin over the fold rather than the support beneath it, so they work best as part of a plan rather than as the plan.

Devices that aim to tighten deeper tissue, including focused ultrasound and radiofrequency platforms, are used for mild laxity in the lower face. Expectations should be modest. They can produce a subtle improvement in tissue quality and firmness. They do not reposition tissue in the way surgery does.

When surgery is the realistic answer

Where laxity dominates and volume is not the main deficit, non-surgical treatment reaches its limit, and a face or neck lift procedure is the intervention that repositions tissue rather than compensating for it. That is a decision for a consultation with an appropriately qualified surgeon, and it belongs in a different risk category entirely, with general anaesthesia, weeks of recovery and permanent change.

The reason it deserves a mention here is that patients who are not suitable for injectables are sometimes sold increasing volumes of filler in the attempt, and end up heavier rather than lifted. A practitioner who says clearly that your concern is now beyond what injectables can address is doing you a service. The National Institute for Health and Care Excellence publishes guidance on interventional procedures that is worth being aware of, and any surgeon should be checked on the General Medical Council register.

Realistic outcomes and maintenance

A well planned lower face treatment softens the fold, lifts the corner of the mouth slightly and reduces the tired resting expression. It does not erase the line, and a photograph promising that has been taken under different lighting, as we explain in reading before and after photographs.

Structural filler in the cheek and jaw commonly lasts longer than filler in mobile areas, often twelve to eighteen months, while toxin to the depressor requires repeating every three to four months. Skin treatments build over a course and then need maintenance. Anyone planning treatment here should be planning over a year, not an appointment.

Because a lower face plan runs across several appointments and usually more than one type of treatment, it is worth reading how a clinic describes its assessment and review process before booking the first of them. A practice that publishes what a consultation covers, who carries it out and when you are seen again is easier to judge than one advertising a price per syringe. For a local example of how a Chiswick practice sets out its dermal filler and consultation information, see Dr Harry Clinic. Whichever clinic you consider, check the practitioner on the relevant professional register first.