Dissolve filler

Dissolving fillers may be considered when someone wants to reduce or remove existing hyaluronic acid filler. Reasons can include unwanted volume, asymmetry, visible irregularities, a result that no longer suits the person or a recommendation made during a professional assessment.

Hyaluronidase is an enzyme that acts on hyaluronic acid. It cannot be assumed to dissolve every type of injectable product, and the response can vary according to the original filler, its location, the amount present and the reason for treatment.

In the UK, Hylase is a prescription-only medicine. Its licensed indications do not specifically include dissolving cosmetic filler, so this use is off-label. The consultation should explain what this means, the intended plan, important uncertainties and possible risks.

For general information about filler treatments, visit the main fillers guide.

Filler dissolving treatment in brief

• Treatment: injection treatment using hyaluronidase

• Main purpose: reducing or removing existing hyaluronic acid filler

• Assessment: the original filler, treatment area and reason for dissolving should be reviewed

• Result: the degree of change varies between people and products

• Sessions: one treatment may not remove all visible filler

• Important limitation: non-hyaluronic acid products do not respond in the same way

• Medicine status: prescription-only and used off-label for cosmetic filler dissolving in the UK

• Main comparison point: the individual practitioner’s relevant assessment, prescribing arrangements and follow-up

Different hyaluronic acid fillers can respond differently to hyaluronidase. Laboratory and clinical research indicates that filler formulation, enzyme concentration and placement can influence how readily a product breaks down.

Why filler dissolving results and experiences differ

The outcome of filler dissolving is not identical for everyone.

The original filler may differ

The practitioner may need to establish:

• whether the product was hyaluronic acid-based;

• which product was used, if known;

• how much was previously injected;

• when it was placed;

• whether more than one treatment took place;

• whether the filler is concentrated in one area or spread across tissues.

Different hyaluronic acid fillers have different structures and resistance to enzymatic breakdown. Some may respond more readily than others.

The reason for dissolving may differ

Someone seeking elective reduction of unwanted volume has a different situation from someone with persistent swelling, a lump, migration or a suspected complication.

Urgent symptoms should not be treated as a routine cosmetic correction. They require prompt professional assessment.

Early appearance may be difficult to judge

Injection-related swelling, redness, tenderness or bruising can temporarily affect the way the area looks. The first visible change is therefore not always the settled outcome.

More than one assessment may be needed

Remaining filler or an uneven result may become clearer after the initial reaction has reduced. Research also shows that some cases require further hyaluronidase treatment, while outcomes are not fully predictable from dose alone.

For detailed information about filler movement rather than treatment removal, read about filler migration.

What does dissolving filler do and how does it work?

Hyaluronidase is an enzyme that breaks down hyaluronic acid. When used for cosmetic filler dissolving, it is injected into or around the area where hyaluronic acid filler is thought to be present.

The purpose may be to:

• reduce excessive volume;

• treat a visible irregularity;

• reduce a lump caused by hyaluronic acid filler;

• address migrated or misplaced filler;

• remove filler before a different treatment plan;

• manage certain filler-related complications under professional care.

The practitioner should assess the area before treatment and discuss whether partial reduction or broader dissolving is being considered.

Hyaluronidase does not provide a perfectly controlled cosmetic result. The amount of visible change can depend on the filler formulation, its location and how the tissues respond.

For a more detailed explanation of the medicine itself, read about hyaluronidase.

Possible side effects and risks of dissolving fillers

Filler dissolving is still an injectable medical treatment. Temporary reactions may include:

• redness;

• swelling;

• tenderness;

• bruising;

• local irritation;

• a temporary change in contour;

• an appearance that seems uneven while the area settles.

Hyaluronidase can also cause allergic reactions. The UK product information lists hypersensitivity as a contraindication and reports rare severe allergic reactions, including anaphylaxis. It also advises against use at sites where infection or malignancy is present.

The practitioner should consider relevant medical history and explain what support is available if an unexpected reaction occurs.

Contact the treating provider promptly if symptoms are severe, unusual or worsening. Acute visual symptoms or rapidly worsening pain require urgent medical assessment rather than waiting for a routine follow-up.

For a fuller explanation of serious problems following filler treatment, read about filler complications.

Areas where existing filler may be dissolved

Hyaluronidase may be considered where hyaluronic acid filler has previously been placed, including:

• upper or lower lips;

• lip border;

• mouth corners;

• nasolabial folds;

• marionette-line area;

• chin;

• jawline;

• cheeks or cheekbones;

• tear trough or under-eye area;

• nose;

• temples.

The treatment area alone does not determine the plan. The practitioner should consider what product was used, when it was injected and why dissolving is being requested.

Some areas require particularly careful assessment because swelling, tissue quality and other anatomical factors can affect both the concern and the result.

Dissolving filler results, timing and safety

The purpose of treatment may be partial correction or broader removal of hyaluronic acid filler. The result can include less visible volume, a reduction in a lump or a change in the contour of the treated area.

The final appearance cannot be guaranteed. Possible reasons include:

• the exact filler may be unknown;

• different products respond differently;

• old filler may be distributed across tissues;

• swelling may affect early assessment;

• more than one session may be discussed;

• the original concern may not be caused only by filler;

• previous filler may have affected the appearance of the surrounding tissues.

A retrospective UK study of periocular cases found that some patients required further hyaluronidase and that a proportion reported unwanted facial changes after dissolving. This reinforces the need for realistic expectations rather than promises of exact restoration.

Safety depends on appropriate assessment, informed consent, access to prescription medicine, relevant practitioner competence and follow-up arrangements. It cannot be established from a clinic’s marketing claims alone.

What happens after dissolving filler?

Temporary swelling, redness, tenderness or bruising may occur after injection. These reactions can make the area look fuller, flatter or less even before it settles.

Follow the individual instructions provided by the treating practitioner. Ask:

• when the area should be reviewed;

• which reactions may be expected;

• who to contact outside normal opening hours;

• whether another assessment may be needed;

• when other cosmetic treatment can be reconsidered.

Do not massage, press or otherwise manipulate the area unless the practitioner has specifically instructed you to do so.

The product information reports possible local irritation, infection, bleeding and bruising, as well as rare severe allergic reactions.

For general recovery guidance after filler-related procedures, read the dedicated filler aftercare page.

Who may consider filler dissolving?

A professional assessment may be appropriate if you:

• want to reduce unwanted hyaluronic acid filler;

• feel an area appears overfilled;

• have visible asymmetry or contour irregularity;

• are concerned that filler has moved;

• have a lump or persistent swelling that needs assessment;

• want old filler reviewed before another treatment plan;

• have been advised that dissolving may form part of complication management.

Filler dissolving may not be appropriate where:

• the injected product was not hyaluronic acid-based;

• the product is unknown and cannot be reasonably assessed;

• an active infection is present at the intended site;

• there is a known hypersensitivity to hyaluronidase;

• the expected result cannot realistically be achieved by dissolving;

• pregnancy or breastfeeding requires further medical consideration;

• another diagnosis or treatment is more appropriate.

The UK product information advises avoiding hyaluronidase during pregnancy unless no safer alternative exists and recommends caution during breastfeeding.

How much does filler dissolving cost in the UK?

The cost of dissolving filler can differ according to:

• the treatment centre;

• the practitioner;

• the area being assessed;

• whether the original filler is known;

• the extent of the correction;

• whether consultation is included;

• whether follow-up is included;

• whether another session is required.

The lowest advertised fee may be a starting price rather than the complete expected cost.

Use the Rates block below to compare currently listed UK prices. Confirm the final quotation directly with the provider before booking.

Filler dissolving experiences: what do patients discuss?

Patient experiences may include:

• why they wanted existing filler reduced;

• whether the original product was known;

• how clearly the consultation explained uncertainty;

• sensations during the injection;

• temporary swelling or tenderness;

• how the area changed over time;

• whether another assessment was needed;

• access to follow-up support;

• whether the eventual change matched the agreed aim.

A positive account does not prove that another person will have the same result. A critical account does not automatically establish that the treatment was performed incorrectly.

Read several relevant accounts and check whether they relate to the same area and reason for dissolving.

For the distinction between an experience and a public rating, visit filler experiences.

What are the alternatives to dissolving filler?

The appropriate option depends on the cause of the concern and the original product.

Waiting for the filler to reduce naturally

Some temporary fillers reduce gradually over time. This may be considered when the concern is mild and there is no medical reason for urgent intervention.

The timing cannot be predicted precisely from an online description alone.

Monitoring and review

A practitioner may recommend allowing temporary swelling or a recent treatment to settle before deciding whether correction is appropriate.

Further filler treatment

Adding more filler is not automatically the correct solution to asymmetry, migration or overfilling. It should be considered only after an assessment of the existing product and facial anatomy.

Dissolving with hyaluronidase

This may be considered when the existing product is hyaluronic acid-based and dissolving is clinically appropriate.

Other medical or surgical management

Non-hyaluronic acid products and some filler-related problems may require a different approach. Referral for imaging, medical management or surgery may occasionally be considered.

Read more about identifying possible filler migration.

Comparing practitioners for filler dissolving

Filler dissolving requires more than confirming that a clinic offers hyaluronidase.

Ask the proposed practitioner:

• how they assess what filler may be present;

• whether they regularly manage unwanted filler results;

• how partial and wider dissolving are discussed;

• who prescribes the medicine;

• what risks and uncertainties apply;

• what happens if the filler does not respond as expected;

• what follow-up is available;

• how allergic or other unexpected reactions would be managed;

• whether referral or imaging may be considered when the diagnosis is unclear.

The NHS recommends consulting the person who will carry out a cosmetic procedure and asking about their qualifications, experience, complications, aftercare and additional costs.

For the broader clinic-selection process, read how to choose a filler clinic.

Differences between filler dissolving clinics

Treatment centres may differ in:

• whether a separate consultation is required;

• which practitioners assess and treat patients;

• prescribing arrangements;

• experience with elective dissolving and complication management;

• access to ultrasound or referral where relevant;

• how risks and off-label medicine use are explained;

• whether partial correction is offered;

• follow-up arrangements;

• out-of-hours contact;

• published pricing;

• whether another session has a separate cost.

Compare the complete service rather than one headline fee.

A clinic that offers hyaluronidase does not automatically have the appropriate experience for every area or problem.

FAQ about dissolving fillers

Summary: everything about dissolving fillers

Dissolving fillers can safely correct or remove existing hyaluronic acid fillers, restoring natural contours. The final result, safety, and satisfaction mainly depend on the experience and technique of the doctor. By comparing clinics and doctors, you make a well-informed and safe choice.