Injectables
Dermal Fillers: Restoring Volume with Balance
How hyaluronic acid fillers restore volume and contour, what each area needs, how long results last, and the complication every patient should understand first.
Medically reviewed by Dr. Maliha Dar, DHA-licensed General Practitioner (licence 29664582-005) · 15 September 2026
In short
Dermal fillers are injectable gels — most commonly hyaluronic acid — used to restore lost volume, define contours and improve facial balance. Results are immediate, last roughly 6–18 months depending on the product and area, and hyaluronic acid fillers can be dissolved with hyaluronidase if needed.
Key facts
| What it is | Injectable gel, most commonly hyaluronic acid (HA) |
|---|---|
| Treats | Volume loss, contour definition, facial asymmetry, lip shape |
| Results visible | Immediately, settling over 2 weeks |
| Duration | Roughly 6–18 months depending on product and area |
| Reversible | Yes — HA fillers can be dissolved with hyaluronidase |
| Downtime | Swelling and possible bruising for 2–7 days |
| Performed by | Dr. Maliha Dar, DHA-licensed General Practitioner |
Dermal fillers are the most versatile tool in non-surgical aesthetics and the one with the highest ceiling for both good and bad outcomes. Used well, they restore what time has taken and nobody can tell you have had anything done. Used poorly, the result is the recognisable, overfilled look that has made a lot of people wary of the whole category.
This guide covers what fillers can realistically achieve, how long they last, the complication you should understand before you consent, and how to assess whether an injector is being straight with you.
What Fillers Actually Are
Most modern fillers are hyaluronic acid — a sugar molecule your body already produces, which binds water and gives skin its plumpness. Manufactured HA is cross-linked to different degrees to produce gels of different firmness, which is why a product designed to project a chin is not the product used under the eyes.
What Fillers Can and Cannot Address
Fillers work well for volume and structure:
- Lip definition, hydration and modest volume — see dermal fillers
- Cheek volume restoration, which often improves the mid-face as a whole
- Chin and jawline definition and profile balance
- Nasolabial folds and marionette lines
- Tear trough hollowing — a technically demanding area requiring careful patient selection
- Non-surgical nose reshaping for selected contour concerns
- Temple hollowing and other age-related volume loss
Under-eye hollowing is the area where honest assessment matters most. Tear trough filler can be excellent in the right candidate and poor in the wrong one — particularly where there is significant fluid retention, very thin skin, or where the real issue is fat prolapse rather than volume loss. A practitioner willing to tell you that you are not a good candidate is giving you useful information.
The Complication You Should Understand: Vascular Occlusion
This is the section most clinic websites leave out, and it is the one that matters.
Vascular occlusion occurs when filler is injected into or compresses a blood vessel, cutting off blood supply to the tissue it feeds. It is uncommon, but it is the serious risk of filler treatment. Untreated, it can cause skin necrosis. In rare cases involving vessels around the nose, glabella and under-eye area, it can affect vision.
It is also largely manageable when it is recognised early and treated immediately with hyaluronidase. That is the reason this matters to you as a patient: the question is not only whether your injector is skilled, but whether they can recognise an occlusion and have hyaluronidase on site to treat it.
Warning signs include disproportionate pain during or after injection, blanching (skin turning white), a dusky or mottled discolouration developing over hours, and changes in vision. Any of these warrants contacting your clinic immediately — not waiting to see whether it settles.
Ask any prospective injector two questions: do you keep hyaluronidase on site, and what is your protocol if an occlusion occurs? A practitioner who cannot answer clearly is not the right choice.
Common Side Effects
Expected and temporary: swelling for two to seven days, bruising, tenderness, and small lumps that settle as the product integrates. Lips swell more than anywhere else — significant swelling in the first 48 hours is normal and not the final result.
Less common: visible lumps or nodules requiring adjustment, asymmetry, the Tyndall effect (a bluish tinge when HA is placed too superficially, most often under the eyes), and delayed inflammatory nodules, which can appear months later and are sometimes triggered by illness or vaccination.
Do not judge your result before two weeks. A great deal of unnecessary anxiety — and unnecessary dissolving — happens in the first week.
How Long Results Last
Duration depends on the product, the area and the individual. As a general guide: lips 6–12 months, cheeks and mid-face 12–18 months, chin and jawline 12–18 months, tear troughs 9–12 months.
Areas with more movement metabolise filler faster, which is why lips need refreshing sooner than cheeks. Individual metabolism varies substantially, and people who exercise intensively often find results fade faster.
Results fade gradually. Most people top up before the product has fully gone, which usually requires less volume than starting again.
Facial Balance Over Individual Features
The best filler outcomes come from assessing the whole face rather than the single feature you came in about. Flattened cheeks often make nasolabial folds look deeper — treating the fold directly may be less effective than restoring the cheek support above it. A chin that is slightly short can make a jawline look undefined and a nose look larger.
This is also how overfilling is avoided. Chasing each line or hollow in isolation is how faces drift away from their own proportions, one reasonable-seeming appointment at a time.
A good consultation should include being told when the answer is less filler, a different treatment, or no treatment.
Choosing an Injector in Dubai
Dubai's filler market is large and heavily discounted, and price is a genuinely poor guide to quality in either direction.
Before treatment, confirm the practitioner holds a current DHA licence and will personally perform the injection. Ask to see the product packaging and confirm it is opened in front of you. Ask whether hyaluronidase is available on site. Ask what the review arrangement is if something needs adjusting.
Treat same-day pressure, deep discounts on multi-syringe packages, and reluctance to discuss complications as warning signs.
Frequently asked questions
- How long do dermal fillers last?
- Roughly 6–18 months depending on the product and area. Lips typically last 6–12 months, cheeks and jawline 12–18 months. Individual metabolism and activity levels affect this significantly.
- Can dermal fillers be dissolved?
- Hyaluronic acid fillers can be dissolved using hyaluronidase, an enzyme that breaks the gel down. This is used both to correct unsatisfactory results and as emergency treatment for vascular occlusion. Non-HA fillers cannot be reversed this way.
- Do dermal fillers hurt?
- Most fillers contain local anaesthetic, and topical numbing cream is applied beforehand. Lips are the most sensitive area. Most people describe pressure rather than sharp pain.
- What is vascular occlusion?
- It is when filler blocks or compresses a blood vessel, interrupting blood supply to the tissue. It is uncommon but serious, and is treated urgently with hyaluronidase. Warning signs include severe pain, skin blanching, dusky discolouration or vision changes.
- How long does swelling last after fillers?
- Most swelling settles within two to seven days. Lips swell the most and can look significantly larger for the first 48 hours. The final result should be assessed at two weeks.
- Will fillers stretch my skin?
- Filler used in appropriate volumes does not permanently stretch skin. Repeated overfilling over years is a different matter, which is one more reason for conservative, staged treatment.
- Can I have fillers if I am pregnant?
- No. Dermal fillers are not used during pregnancy or breastfeeding, as safety has not been established. Treatment should be postponed.
References
- [1]British Association of Dermatologists. Dermal Fillers — Patient Information Leaflet.
- [2]NHS. Dermal Fillers (Soft Tissue Fillers).
- [3]Aesthetic Surgery Journal. Update on Avoiding and Treating Blindness From Fillers: A Recent Review of the World Literature (2019).
This article was last updated on 15 September 2026. Clinical content is reviewed at least every 12 months, and sooner if guidance changes.
Medical Disclaimer
This article is for educational purposes only and does not replace a personalised medical consultation. Treatment suitability varies by individual. Please book a consultation with Dr. Maliha Dar before proceeding with any aesthetic procedure.
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