Dark circles are one of the most common things people bring to a cosmetic clinic, and one of the most commonly misdiagnosed before they arrive. Most people have already decided what the problem is, usually from a mirror in bad light, and have arrived to ask for the treatment they read about rather than to find out what they actually have.
That is not a criticism. It is what the entire category of online content about under-eye treatment encourages, and it is why this guide spends its first half on causes rather than on products.
At Enrich Aesthetics, a nurse-led clinic in Wangi Wangi serving Newcastle and Lake Macquarie, the under-eye conversation starts with the same question every time: what is actually creating the appearance you are describing?
The three things people call dark circles
They look similar in a mirror. They are not the same problem.
Vascular. The skin under the eye is among the thinnest on the body. Where it is thin enough, the network of blood vessels beneath shows through, and it reads as a blue, purple or grey shadow. This is often more noticeable when you are tired, unwell or dehydrated, not because those things caused it, but because they change how much the vessels show.
Pigmented. Here the skin itself is carrying additional melanin, and the appearance reads as brown rather than blue. This can be constitutional, meaning it runs in families and is more common in some skin types than others. It can also follow inflammation, rubbing, eczema or sun exposure.
Structural. Nothing about the skin’s colour has changed at all. The tissue and fat around the eye have altered in position or volume, creating a hollow, and the hollow casts a shadow. Photograph the same face under a ceiling light and under diffuse daylight and it can look like two different problems.
There is a fourth contributor that sits across all three: skin quality. Texture, laxity and crepiness change how light reflects off the area, and can make any of the above look more pronounced.
Most people have a combination. That is the honest answer, and it is why a treatment chosen from a website has a fair chance of being aimed at the wrong thing.
Why the under-eye area behaves differently to the rest of the face
A few structural facts explain most of what happens here.
The skin is very thin, so anything beneath it, colour or shadow, shows more readily than it would elsewhere. There are very few oil glands, so the area behaves differently to the cheek in terms of dryness and texture. The tissue sits directly over bone at the orbital rim, so a small change in volume produces a visible change in contour.
And the area moves constantly. Every blink, squint and smile involves it. Around here, so does every hour spent looking into bright light off the water, which is a separate contributor covered in the guide on how the outdoor lifestyle affects fine lines and wrinkles.
None of that makes the under-eye untreatable. It does mean it is assessed on its own terms rather than as a smaller version of the cheek.
When dark circles are not a cosmetic problem at all
This is the section most pages in this category leave out, and it is the most important one here.
Some under-eye changes are a symptom of something that a cosmetic clinic is the wrong place to address. Book with your GP first, not a clinic, if any of the following apply:
- The change came on suddenly, over days or weeks rather than years
- It affects one side only
- There is swelling, itching, flaking, a rash or a visible skin change around the eye
- There is any change to your vision
- You also have persistent fatigue, breathlessness, dizziness or a general sense of being unwell
- You snore heavily, wake unrefreshed, or have been told you stop breathing in your sleep
- You have hay fever or allergies that are poorly controlled
- You have started a new medication and noticed a change since
Iron deficiency and anaemia, thyroid conditions, allergic rhinitis, eczema and contact dermatitis around the eye, sleep-disordered breathing and certain medications can all show up in the under-eye area. A cosmetic consultation is not a diagnostic appointment, and treating the appearance of something with a medical cause is both ineffective and a way of delaying the appointment that would actually help.
If any of that describes you, that is genuinely better news than a treatment plan, because it points at something that can be addressed properly.
What Rejuran is, and why this page is allowed to name it
Almost every page you will read about under-eye treatment names several products. Almost none of them explain why they are allowed to.
Rejuran is an injectable polynucleotide product derived from salmon DNA. Polynucleotides are chains of DNA fragments. The product is injected into the skin, and the treatment is directed at skin quality rather than at adding volume or at changing facial movement.
In Australia it is supplied as a Class III medical device, not as a Schedule 4 prescription medicine. That distinction is the reason this page can state the name and the price. Australian therapeutic goods law prohibits advertising Schedule 4 substances to the public, which is why the fine lines and wrinkles and volumising treatments pages on this site discuss assessment rather than naming a product or quoting a figure. The prohibition covers medicines, not devices.
At Enrich Aesthetics the eye treatment is $550 and the classic treatment is $700. There is more detail on the Rejuran page, including suitability, risks and what the appointment involves.
Kirsty completed the Rejuran workshop with KBridge Medical in 2025 in order to use the product.
What Rejuran is not
Worth being just as clear about.
It is not a dermal filler, and it is not the same category of product. It is not a treatment aimed at facial movement. It is not a colour corrector, so it is not automatically the answer where pigment is the dominant cause. It is not a structural solution where the appearance is being driven by hollowing.
And it is not a substitute for sun protection, sleep, or treating an underlying medical cause. It is one option, assessed against the others, for a specific set of presentations.
A treatment chosen from a website has a fair chance of being aimed at the wrong thing.
What actually gets assessed
An under-eye consultation at Enrich covers:
- Which of the three causes appears to be dominant, and in what combination
- Skin quality, texture and laxity through the area
- The bony structure around the orbit and the position of the tissue over it
- How the area behaves in movement, not only at rest
- Your medical history, current medications, allergies and previous treatments
- Whether anything about the presentation suggests a medical cause that belongs elsewhere
- What you are actually hoping to change, and whether that is realistic
The assessment happens in person and in more than one lighting condition, because the single biggest reason people misjudge their own under-eye area is that they have only ever assessed it in one mirror.
Why “how many sessions” cannot be answered here
It is the most searched question about this treatment and the one most confidently answered by pages that have never seen your face.
The honest position is that the number, the interval and whether a course is appropriate at all depend on what is causing the appearance, on your skin, on your history and on what would count as a worthwhile outcome for you. Those are consultation questions. A page that gives you a number is describing an average, and you are not an average.
Questions worth asking at your appointment
Wherever you go:
- Which of the three causes do you think is dominant for me, and how did you reach that?
- Is there anything here that should be checked by a GP first?
- What would you expect to change, and what would stay the same?
- What are the alternatives, including doing nothing for now?
- What would make you tell me this is not appropriate?
- What are the risks, and what should I do if something concerns me afterwards?
- What does it cost, and what is the total if more than one appointment is involved?
A practitioner who answers those directly is telling you more than any list of product names.
What a nurse-led clinic can and cannot tell you here
Enrich Aesthetics is a registered health practitioner’s practice rather than a beauty salon, and it is advertised under different rules.
The Therapeutic Goods Administration’s advertising requirements prohibit advertising prescription medicines to the public. Separately, AHPRA’s guidelines for advertising higher risk non-surgical cosmetic procedures, in effect since 2 September 2025, restrict registered practitioners from using testimonials, before-and-after imagery, language that minimises a procedure, and claims about how a treatment will make a person feel.
So this page will not tell you that a treatment is quick, gentle or free of downtime, will not promise a timeline, and will not show you someone else’s result. Those absences are the rules working, not an oversight.
Kirsty Neagle is a Registered Nurse (Division 1) holding general registration with the Nursing and Midwifery Board of Australia, AHPRA registration NMW0001646562, which anyone can verify on the public AHPRA register.
Practical details
The clinic is at 22 French Rd, Wangi Wangi, on the western side of Lake Macquarie. Clients travel in from Newcastle, Merewether, The Junction, New Lambton, Hamilton, Adamstown and Charlestown, as well as from around the lake at Toronto and Warners Bay.
Appointments run 9am to 5pm Monday to Saturday, closing at 3pm on Thursdays. The clinic is appointment-only rather than a walk-in space. There is parking in the driveway at the front of the clinic or on the street, and parking details are sent through with your appointment confirmation the day before. Website enquiries are answered within 24 hours.
If you are coming from Newcastle, allow a little more time than a map estimate suggests. Wangi Wangi sits out on its own peninsula.
The short version
Work out what you actually have before you decide what to do about it.
Vascular, pigmented and structural under-eye change look alike and behave differently. Some of what shows up here is not cosmetic at all. Rejuran is a real option with a published price and a classification that allows it to be discussed openly, which puts it ahead of most of what gets recommended for this area online, but it is one option assessed against others rather than an answer waiting for a question.
For the wider picture of how this fits alongside peels, collagen support and skincare, start with the skin rejuvenation guide.
This guide is general education. It is not medical advice, and it does not replace an in-person consultation.
