Concerns  /  Lips and Lower Face  /  Neck Bands

Platysmal bands: what causes them,

and who gets them earliest
Two vertical cords running down the front of the neck, most visible when speaking or grimacing, are known as platysmal bands or neck bands. They are the most common reason people say their neck looks older than their face.
They form for a specific reason, and roughly one in ten people is predisposed to prominent bands from birth.
Dr Ibrahim Hawli
MBBS  ·  Registered Medical Practitioner
Neck Band
In short
Neck bands are the visible edges of the platysma, a thin, broad muscle sitting directly beneath the skin of the neck. In youth, the two halves of the muscle join across the midline. With age, that central connection weakens and the medial edges separate, becoming visible as vertical cords during expression. Roughly 10 per cent of people are born without any midline join, and only that group produces true medial bands regardless of age. The platysma also pulls the whole lower face down when it contracts, which is why bands and jowling frequently show together. Skin alone is not the primary cause, and skincare will not remove them.
01  /  Anatomy

What the platysma
actually is

The platysma is a broad, thin, rectangular sheet of muscle sitting directly beneath the skin of the front and sides of the neck. It arises from the fascia over the chest and shoulder, and its fibres ascend obliquely upward and inward, crossing the clavicle, up the neck.

At the top, it inserts onto the lower border of the mandible, into the skin of the lower face, into the corner of the mouth, into the orbicularis oris, and along the depressor anguli oris. So the muscle is not only in the neck. It attaches into the muscles of the lower face, which explains why what happens in the neck affects the whole lower face.

0.6 mm
mean thickness
That is the entire structural sheet supporting the front of the neck. It is one of the most active muscles in the body, engaged whenever you speak, swallow or grimace, and it conveys expressions of surprise, horror or disgust.
02  /  The Mechanism

Why the muscle
separates in the midline

The two halves of the platysma either join at the midline of the neck or they do not. When they join, they interlace and cross over one another in a pattern called decussation. In youth, in most people, that crossover gives the neck its smooth, uninterrupted central contour. With age, three things happen at once.
01

The midline fibres separate

The fibres attenuate and the gap between the two muscle bellies widens.
02

The medial edges become mobile

Once no longer joined, they can swing freely with muscle activity.
03

Gravity and contraction do the rest

Under gravity and years of repetitive contraction from speaking and expression, the edges descend and become visible as vertical bands.
The bands are not the muscle appearing where it was not before. They are the medial edges of a muscle that has always been there, now no longer joined together, becoming visible under the thinnest layer of tissue on the front of the body.
03  /  The Key Finding

The 10 per cent who are

predisposed from birth
Three patterns of midline decussation exist, and which one you have is set from birth.
75%
Partial join
Interdigitation of medial fibres extending 1 to 2 cm below the chin. The most common pattern.
15%
Full join
Full interdigitation all the way down to the thyroid cartilage. The most protected against banding.
10%
No join
No interdigitation at all. The medial fibres of the two sides never join.
Only necks with no decussation produce true medial vertical bands. If you develop prominent medial bands relatively young, or your bands appear stark rather than soft, you are likely in that 10 per cent. You have not aged faster than anyone else. You started without the central structural support that most people are born with.
This cannot be established from a photograph. It requires an examination, and it matters for what is realistic.
04  /  Try This Now

A mirror test you
can do right now

Bands are dynamic before they are static. There is a simple test that establishes what you have.
The method
Stand in front of a mirror in even light. Relax your face and neck completely and look at the front of your neck. Then pull the corners of your mouth downward, as though grimacing, or push your lower lip forward and tense as though disgusted or straining.
Two vertical cords appear
From around the jawline down toward the collarbone. The muscle mechanism is present.
Cords appear off to the sides
The pattern is lateral rather than classic medial banding, which requires absent decussation.
The neck stays smooth
You likely have a well-decussated platysma and are unlikely to develop prominent medial bands.
Bring what you observed to your appointment. It is genuinely diagnostic and rarely asked about.
05  /  Connected Findings

Why the platysma also pulls
the whole lower face down

This reframes what a neck bands consultation is about, and it is the reason bands and jowling almost always show together.
Contraction of the platysma lowers midfacial tissues including the lower lids and midface, deepens the malar and nasolabial folds, and lowers the mandible, making the neck shorter and wider.
The platysma is not only a neck muscle. Its habitual activity contributes to:
A person who arrives concerned about neck bands often has a set of connected findings driven by the same mechanism. That is why the jawline, marionette lines and neck are assessed together rather than as separate items.
06  /  Not All The Same

Two different bands,
two different mechanisms

Two patients who describe identical bands may have different anatomy underneath. One may benefit from a muscle-directed approach. The other may be better served by skin and structural support. Establishing which is which requires examination, not a photograph.
Type one

Medial bands

Run vertically down the front of the neck, close to the midline, and require absent decussation to form. Typically what patients describe as cords in their neck.
Type two

Lateral bands

Run more toward the sides of the neck. They can develop in any decussation pattern, and relate more to platysmal laxity and how the muscle sags with age than to a structural gap in the midline.
07  /  Why So Thin

Why the platysma is so thin,
and what that changes

The platysma is on average 0.6 mm thick, and it thins further with age. So the sheet is not only attenuating at the midline. It is becoming less substantial as a whole.
Thickness varies by sex, age and body size. Some people have a substantial platysma that produces thick, sharp bands. Others have a thinner muscle that produces softer, wider ridges. The pattern that shows on your neck depends on the muscle you started with as much as on how it has aged.
Why bands recur after a facelift
The literature notes that bands often recur after traditional facelift procedures where the platysma is tightened to the mastoid fascia, because the aging, thin platysma cannot hold well with that technique. Surgery addresses laxity in the surrounding tissue and can produce a dramatic overall change. It does not solve the underlying problem of a thin, separated muscle sheet, and understanding that helps set realistic expectations before booking any procedure.
08  /  Medical First

When bands are a sign
of something else

Most neck banding is a normal aged change acting on a variable anatomy. Occasionally it is not.
See a GP first if you have
Cosmetic assessment does not substitute for that. Rapid change in this region in particular deserves a medical opinion rather than a cosmetic one.
09  /  What Does Not Work

Two things worth
saying plainly

Neck creams and topical products
The muscle is up to a centimetre beneath the skin surface, and it is the muscle producing the band. No topical formulation reaches the muscle layer. Skin quality can improve with good skincare and daily sun protection, which affects how the neck reads overall, but does not address the mechanism.
Neck exercises and tongue postures
Exercise builds and strengthens muscle. The platysma is already contracting too much. Reinforcing it works in the wrong direction and can make bands more prominent. The mechanism is opposite to the goal.
Neither is dangerous. Both are ineffective for banding specifically, and both are widely promoted.
10  /  Assessment

What a neck bands
assessment covers

Photographs may be taken as a clinical record, in standard front and side views at rest and on animation, and are not used for advertising.
11  /  Before You Decide

What to know before
your consultation

Every option carries potential risks as well as potential benefits, and no cosmetic medical procedure is risk free. Vascular and nerve structures run within the neck, and the muscles here contribute to swallowing and to how the lower face moves. That is why this area is treated conservatively and assessed in person.
Bring a list of your current medications, details of any thyroid or neck history, and a photograph from several years ago if you have one.
Where the finding is significant skin laxity and structural descent, a surgical opinion addresses the cause. Surgery is not performed at this practice, and referral is the recommendation in those cases.
Assessed at consultation

Factors that may make an approach inadvisable

Individual results vary. Not all people are suitable candidates. In some cases the appropriate recommendation is that nothing be undertaken, or that a different practitioner is the right person to see.
12  /  What Happens

What happens at your consultation in Glenroy

Appointments run 30 to 45 minutes. A consultation fee applies and is confirmed when you book. No referral is required to attend.

01

Discussion

What you have noticed, when it changed, recent weight change, thyroid history, medical history, current medications and previous cosmetic work.
02

Assessment

The neck is examined from front and side at rest and on tension, with the mirror test replicated, assessment of medial versus lateral bands, skin quality, submental fullness, jawline and midface, and palpation.
03

Information

Whether the finding is medial banding, lateral banding, or a combination, whether the platysma is contributing to jowling and marionette lines, what is clinically appropriate, whether referral is the better course, risks, alternatives and the option of proceeding with nothing.
04

Decision

You are not asked to decide on the day. Time to consider information is part of informed consent.
13  /  Location

Neck bands assessment in Melbourne:
where the clinic is

The practice is in Glenroy, in the City of Merri Bek, roughly 13 kilometres north of the central business district. The clinic is on Glenroy Road, close to Glenroy Station on the Craigieburn line and the Pascoe Vale Road corridor.
Patients attend from Glenroy, Hadfield, Fawkner, Oak Park, Gowanbrae, Pascoe Vale, Coburg North, Broadmeadows, Campbellfield and Craigieburn.
14  /  Common Questions

Questions patients
ask

If your question is not answered here, ask it at your consultation. There is time set aside for exactly that.

Neck bands are the visible edges of the platysma muscle. In youth, the two halves of the muscle join at the midline of the neck. With age, that central connection weakens and the medial edges separate, becoming visible as vertical cords during expression.

Anatomy from birth. About 10 per cent of people are born without any midline join between the two halves of the platysma. Only necks with no decussation produce true medial vertical bands, and those patients tend to show prominent banding earlier and more starkly, regardless of age.

Stand in front of a mirror, relax your face, then pull the corners of your mouth downward or grimace as though disgusted. If two vertical cords appear from around the jawline down toward the collarbone, the muscle mechanism is present. If the neck stays smooth under tension, banding is unlikely to be your main issue.

Not necessarily. Bands and skin laxity are different findings, though they often coexist. The literature also notes bands often recur after traditional facelifts because the aging, thin platysma cannot hold well with mastoid fascia fixation. A surgical opinion is appropriate where laxity is dominant, and this is discussed at consultation.

No. The muscle producing the band sits up to a centimetre beneath the skin surface, and no topical formulation reaches the muscle layer. Skincare improves how the skin reads overall but does not address the mechanism.

No, and they can make them worse. Exercise strengthens muscle. The platysma is already contracting too much. Reinforcing it works in the wrong direction.

Yes. Contraction of the platysma pulls the whole lower face down, deepens nasolabial and marionette lines, and contributes to jowling. That is why the neck, jawline and lower face are assessed together.

If a band appeared suddenly, if there is a firm lump, if you have difficulty swallowing or a voice change, if you have thyroid symptoms or recent unintended weight loss, or if the neck feels tight or under pressure at rest. Those need a medical assessment first.

Related concerns

The lower face and neck are assessed together

Contour region
Lower perioral region
Mentalis region
Bruxism
Dr Ibrahim Hawli
Written and clinically reviewed by
Dr Ibrahim Hawli, MBBS
Level 1 Certification, American Academy of Aesthetic Medicine. Advanced training in non-surgical nasal work with Aesthetic Intelligence.
Last reviewed: [insert month year]  ·  Next review due: [insert month year]

Your first step is

an assessment.
This page provides general information about cosmetic medical consultations and does not constitute medical advice. Any cosmetic medical procedure carries risks. Individual outcomes vary and not all people are suitable candidates. Surgery is not performed at this practice. Any decision follows an individual consultation and assessment with a registered medical practitioner.