Can Dermal Fillers Be Dissolved? Hyaluronidase, Filler Types, and What to Expect

Clinical guidance from Dr Nyla Raja MBChB (Hons), MRCGP (Dist), DFFP, DPDermatology - GMC No. 6057913

Yes, some dermal fillers can be dissolved, but this depends on the material that was injected. Hyaluronidase is used to break down hyaluronic acid (HA) filler; it does not directly dissolve every type of dermal filler. Before any correction is considered, the product used, treatment area, timing, symptoms, previous filler, and your treatment goals should be assessed in person.

For concerns such as persistent unevenness, excess volume, suspected migration, or a result that no longer feels right, dissolving may be one option. It is not always the first or only answer. Early swelling, bruising, and temporary asymmetry can make recently treated areas look or feel different while the tissues settle.

Which dermal fillers can hyaluronidase dissolve?

Hyaluronidase is an enzyme that speeds up the breakdown of hyaluronic acid. It is therefore relevant to HA fillers, which are widely used for areas including the lips, cheeks, jawline, chin, and lines around the mouth.

If you do not know what was injected, it is important not to assume that it was hyaluronic acid. Bring any treatment records, product labels, receipts, before-and-after photographs, or details from the original practitioner. This information can help establish whether hyaluronidase is likely to be relevant and whether the concern is likely to relate to filler at all.

When might filler dissolving be considered?

For an aesthetic concern, hyaluronidase may be considered where HA filler is contributing to persistent overfilling, contour irregularity, asymmetry, migration, or unwanted fullness. In some cases, reducing existing filler may create a clearer starting point before considering any future treatment.

However, not every lump, blurred border, or uneven area is migrated filler. Following treatment, swelling and bruising can temporarily affect shape and symmetry. This is particularly relevant in the lips, where early swelling may take one to two weeks to settle. A review can provide reassurance and help distinguish a normal recovery pattern from a concern that needs treatment.

Targeted correction can sometimes be possible when the area of concern is clearly localised, but it cannot be guaranteed that hyaluronidase will affect only one precise point. Filler may be present in different tissue planes, may have been placed during several previous appointments, or may respond unevenly. Read more about partial lip filler dissolving and its limitations.

What happens during hyaluronidase treatment?

Hyaluronidase is a prescription-only medicine. Its UK licensed indications do not include aesthetic filler dissolution, so using it for this purpose is an off-label medical treatment that requires an appropriate prescribing assessment and informed consent. The Hyalase prescribing information explains that the enzyme has a temporary and reversible effect on hyaluronic acid in connective tissue.

A consultation should include a review of your medical history, allergies, current medicines, previous reactions to filler or hyaluronidase, and any evidence of infection or inflammation. Hyaluronidase should not be used where there is a known hypersensitivity to the medicine or at a site of infection.

Where treatment is suitable, hyaluronidase is injected into the relevant area. It can begin to act quickly, but the appearance should not be judged immediately afterwards. The injections themselves can cause temporary swelling, redness, tenderness, bruising, and short-term unevenness. Reassessment after the area has settled is often more informative than making a decision on the day.

One treatment may be sufficient, but this cannot be guaranteed. The response can vary according to the HA gel used, the quantity and location of filler, how long it has been present, and whether there have been previous treatments. A measured approach may be preferable where preserving surrounding volume and facial balance is important.

When filler symptoms need urgent medical assessment

Most concerns about filler correction are not emergencies. However, severe or increasing pain, unusually pale skin, blue-grey or mottled discolouration, cool skin, blistering, or progressive skin changes after filler require urgent medical assessment. These may indicate compromised blood flow and should not be managed by waiting for a routine appointment.

Contact the practitioner who performed the treatment through their emergency route immediately. Sudden visual disturbance, loss of vision, or neurological symptoms after facial filler require emergency medical attention; call 999 or attend A&E without delay. Vascular complications are uncommon, but prompt recognition and treatment are important. Our dermal filler safety guide explains the warning signs in more detail.

Increasing redness, warmth, tenderness, swelling, discharge, or feeling unwell can also indicate infection or inflammation and needs prompt clinical review. Hyaluronidase is not automatically the right treatment for these symptoms, as the underlying cause must be identified first.

Questions to ask before having filler dissolved

• Do we know which product was used, and is it confirmed to be hyaluronic acid?
• Could recent swelling or bruising be contributing to the appearance?
• Is the concern localised, or is filler likely to be present in more than one area?
• What degree of reduction is realistic, and could further treatment be needed?
• Are there signs of infection, inflammation, or another issue that should be addressed first?
• What should I expect while the area settles, and how will follow-up be managed?

The key point

Dermal fillers can be dissolved when they are hyaluronic acid-based and a face-to-face assessment confirms that hyaluronidase is appropriate. It is not a universal reversal treatment for every filler material, nor is it a substitute for investigating persistent pain, inflammation, or concerning skin changes. Knowing the original product and having a careful medical assessment are the safest starting points for any filler-correction decision.