Dissolving Dermal Fillers in Edinburgh: Reversing Treatment If Needed

One of the most reassuring aspects of hyaluronic acid dermal fillers — the type most commonly used in facial aesthetics treatments today — is that they are reversible. If you are unhappy with your result, develop an unexpected complication, or simply change your mind about treatment, hyaluronic acid fillers can be dissolved using an enzyme called hyaluronidase. This reversibility is an important safety feature that distinguishes modern hyaluronic acid fillers from older, permanent filler products and gives both patients and practitioners a reliable means of managing unwanted outcomes.
Understanding how filler dissolution works, when it is appropriate, and what to expect from the process is genuinely useful for anyone considering dermal filler treatment. Far from being something to worry about, the availability of reversal treatment is one of the key reasons why hyaluronic acid fillers are considered a relatively low-risk option for non-surgical facial enhancement — provided they are administered by a qualified and experienced practitioner.
What Is Hyaluronidase?
Hyaluronidase is an enzyme that breaks down the bonds between hyaluronic acid molecules. Because hyaluronic acid fillers are composed of cross-linked hyaluronic acid gel, injecting hyaluronidase into or near the treated area causes the filler to break down and be absorbed by the body. The process is relatively rapid — depending on the volume of filler and the specific product involved, dissolution can begin within minutes of the hyaluronidase injection, and the area will continue to change over the following 24 to 48 hours as the filler is fully absorbed.
It is important to be aware that hyaluronidase is a prescription-only medicine (POM). According to NHS and MHRA guidance, it is not specifically licensed for dissolving cosmetic fillers — its licensed uses are in other medical contexts — but it is widely used “off-label” for this purpose by trained practitioners. The NHS provides information about dermal fillers and notes that any procedure involving a prescription-only medicine must be overseen by a qualified and regulated healthcare professional. This is a key reason why receiving filler treatment from a medically trained practitioner in a regulated clinical environment is so important — it ensures that reversal treatment is both accessible and safely administered should it be needed.
When Is Filler Dissolution Used?
There are several situations in which dissolving dermal fillers may be appropriate or necessary:
- Unhappy with the aesthetic result: If you feel that the treatment has not achieved the look you hoped for — perhaps too much volume, an uneven distribution, or a result that simply does not suit you — dissolution allows the area to be returned to its pre-treatment state so that the situation can be reassessed.
- Overfilled or migrated filler: Filler that has been overapplied or has migrated away from the intended treatment area can create lumpiness, puffiness, or distortion that affects the overall appearance. Targeted hyaluronidase can break down the problematic filler while leaving adjacent areas unaffected.
- Vascular occlusion (emergency use): The most urgent use of hyaluronidase is in the event of a vascular occlusion — a rare but serious complication where filler inadvertently enters or compresses a blood vessel, compromising blood supply to the surrounding tissue. In this scenario, rapid dissolution is critical and must be carried out immediately. This is one of the most important reasons to choose a practitioner with medical training and access to emergency supplies of hyaluronidase.
- Filler-related infection: In the uncommon event of a late-onset infection or inflammatory reaction within a filler deposit, dissolution may be recommended as part of the management plan alongside antibiotics.
- Preventative dissolution: Some practitioners recommend dissolving old or suboptimal filler before placing fresh product to ensure the best possible result from new treatment.
What Does Filler Dissolution Involve?
The dissolution process is relatively straightforward. A small amount of hyaluronidase is injected into or around the area containing the filler. The injection process is similar to receiving filler in the first place — there may be a brief sting, and some practitioners apply a topical numbing cream beforehand. The number of injections required depends on how much filler is present and how widely distributed it is.
After the hyaluronidase injection, the area will typically begin to look different within 30 to 60 minutes as the filler starts to break down. The full effect of the dissolution develops over 24 to 48 hours. There may be some temporary swelling and redness at the injection sites, which usually resolves within a day or two. In most cases, a review appointment is scheduled at around two weeks to assess the outcome and discuss next steps.
Filler Dissolution: Key Facts
| Aspect | Details |
|---|---|
| Active agent | Hyaluronidase (enzyme) |
| Works on | Hyaluronic acid-based fillers only |
| Prescription status | Prescription-only medicine (POM) |
| Onset of action | Minutes to hours |
| Full effect visible | 24–48 hours |
| Suitable for | Aesthetic dissatisfaction, complications, vascular occlusion |
| Permanent fillers | Cannot be dissolved with hyaluronidase |
Can All Fillers Be Dissolved?
It is crucial to understand that hyaluronidase only works on hyaluronic acid-based fillers. Not all fillers are made from hyaluronic acid — there are permanent fillers based on polymethyl methacrylate (PMMA), calcium hydroxylapatite, and poly-L-lactic acid, among others. These cannot be dissolved with hyaluronidase. This is one of the strongest arguments for choosing hyaluronic acid fillers over permanent alternatives, particularly for patients who are new to aesthetic treatment or who want the reassurance that an unwanted outcome can always be corrected.
When exploring any filler treatment, it is worth asking your practitioner specifically which product they intend to use and confirming that it is hyaluronic acid-based if reversibility is important to you.
The Dissolving Process: Step by Step
For patients considering filler reversal, understanding the practical process in detail can help to reduce anxiety about what to expect. The appointment begins with a thorough assessment of the treated area — your practitioner will examine the distribution, volume, and texture of the existing filler to determine the most appropriate dosing and placement of hyaluronidase. In some cases, they may also take photographs to document the starting point. Depending on your preference, a topical numbing cream may be applied to the skin before the injections begin.
The hyaluronidase is then injected into the areas where filler is to be dissolved. The injections may cause a mild stinging sensation, but the discomfort is generally minimal and brief. Within minutes, you may begin to feel a slight warmth or tingling in the treated area as the enzyme begins to work. The filler starts to break down relatively quickly, and significant changes will be visible within the first hour after treatment. However, the full extent of the dissolution develops over the following 24 to 48 hours, so it is important not to make any final judgements about the outcome immediately after the appointment.
There may be some temporary swelling and redness at the injection sites, and in some cases, the area may look slightly indented or uneven in the first day or two as the filler breaks down at different rates in different areas. This usually resolves as the remaining filler and the surrounding tissue settle. A review appointment two to four weeks after dissolution allows your practitioner to assess the outcome and discuss whether any new treatment is appropriate and when it would be safe to proceed.
Will Dissolving Affect My Natural Hyaluronic Acid?
A common concern among patients considering filler dissolution is whether the hyaluronidase will also break down the natural hyaluronic acid present in their own tissue. This is a valid question. The short answer is yes — hyaluronidase is not selective and will break down any hyaluronic acid in the area, including both the filler and the body’s own hyaluronic acid. This can result in the treated area temporarily appearing more deflated or hollow than it did even before the original filler was placed. However, this effect is temporary. The body naturally replenishes its hyaluronic acid stores over a period of two to four weeks following treatment, and the appearance of the area typically returns to its natural baseline or close to it within this timeframe.
Choosing a Safe Provider
Given that both filler treatment and its potential reversal involve prescription-only medicines, the importance of choosing a qualified healthcare professional cannot be overstated. A dental practice offering facial aesthetics has significant advantages in this regard — dental professionals are accustomed to working in close proximity to delicate facial anatomy, are trained to manage medical emergencies, and operate within a highly regulated clinical environment that meets stringent standards of safety and infection control.
If you have had dermal filler treatment elsewhere and have concerns about the result, or if you are considering filler treatment for the first time and want to be confident that any outcome can be safely managed, our team at Gorgie Road Dental Practice is here to help. We can assess your current situation and advise on the best course of action, whether that involves dissolution, adjustment, or a fresh treatment plan. Call us on 0131 337 3936 to arrange a consultation.