Dissolving-filler-face-lips
Dissolving Filler in the Face & Lips
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Dissolving filler is the process of using an enzyme called hyaluronidase (commonly known as hyalase) to break down acid filler that’s already in the tissue. The result: the filler dissolves within 24 to 48 hours, and the treated area returns to its pre-filler state. It’s one of the major safety advantages of fillers — and one of the main we don’t permanent fillers, which can’t be .
This is the guide to dissolving filler: when it’s appropriate, how the process works, what it costs, what to expect, and the common where consider dissolution. For the broader filler service context, see our .
What hyalase is and how it works
(hyalase) is an enzyme that breaks down OnabotulinumtoxinAAbobotulinumtoxinAIncobotulinumtoxinAPrabotulinumtoxinALetibotulinumtoxinARimabotulinumtoxinBHyaluronic Acid FillersCalcium Hydroxylapatite FillersPoly-L-lactic Acid FillersPolymethylmethacrylate FillersAutologous Fat GraftingForehead Lines TreatmentGlabellar Frown Lines TreatmentCrow's Feet TreatmentBunny Lines TreatmentChemical Brow LiftLip FlipGummy Smile CorrectionMasseter ReductionJaw SlimmingDimpled Chin SmoothingCobblestone Chin SmoothingNefertiti Neck LiftMicro-BotoxMesotoxHyperhidrosis TreatmentChronic Migraine ReliefBruxism TreatmentTMJ TreatmentCervical Dystonia TreatmentNeck Spasm TreatmentBlepharospasm TreatmentLip AugmentationLip ContouringCheekbone EnhancementTear Trough FillersNasolabial Fold SofteningMarionette Line FillersLiquid RhinoplastyNon-Surgical Nose JobJawline ContouringJawline DefinitionChin AugmentationTemple VolumisingHand RejuvenationAcne Scar Subcision Filling — the active ingredient in HA-based dermal fillers. It works by the cross-linked bonds that hold the HA gel together, the gel into HA that the body then naturally absorbs over the days.
The enzyme is naturally in the human body. The used is as a purified, sterilised that’s into the area where filler dissolution is desired. The effect is — only the filler in the immediate area is affected, and only HA-based products are .
Critically: hyalase only works on HA filler. Non-HA — including calcium hydroxylapatite (Radiesse), acid (Sculptra), PMMA (Bellafill), and — cannot be with . These products either gradually break down over much longer periods (1-3 years for and Sculptra) or are essentially permanent (PMMA, silicone). This is one of reasons we don’t use permanent or semi-permanent fillers at Centre for . For more on this, see our guide on .
When dissolving filler is the right answer
Several scenarios commonly prompt dissolution:
Result you’re with. The most common reason — the filler hasn’t produced the look you wanted. Maybe the lips are too big, the cheeks look heavy, or the result isn’t what was discussed at consultation. allows a reset before re-treatment with adjusted .
Filler migration. Filler that has from where it was placed, particularly common with lip filler — see our detailed guide on . filler typically requires to correct because the drifted won’t move back into on its own.
Overfilling over time. who’ve had rounds of top-up treatment over years often more filler than they realise. The effect can produce a heavy, "done" that they didn’t intend. A reset with hyalase, followed by more conservative re-treatment, often restores appearance.
Lumps or asymmetry. Filler that hasn’t integrated smoothly — visible lumps, uneven distribution, placement. Hyalase placed at the problem area can the affected filler without disturbing the rest.
. The most urgent reason. If filler enters or a blood vessel — causing skin colour changes, severe pain, or (rarely) visual disturbance — immediate hyalase reversal is required to restore blood flow. This is a medical emergency and Centre for Surgery keeps hyalase for immediate use if needed.
Pre-surgical preparation. Some surgical benefit from dissolving existing filler beforehand — most surgery in patients with significant accumulated facial filler. See our guide on for the discussion.
Change of . Patients sometimes simply decide they no longer want enhanced . Tastes change, life circumstances change, or the social that motivated the original has shifted. returns the area to its natural state.
Allergic or biofilm. Rare but real — some develop reactions to filler, sometimes from a biofilm (bacterial colonisation around the product). typically resolves these reactions.
How the dissolving process works
. A thorough consultation establishes what filler was placed, when, and where. If was elsewhere, bring details if available — though hyalase works regardless of which HA brand was placed.
Allergy test. Hyalase a small risk of allergic reaction (well under 1% of patients). A patch test on the forearm 30 minutes before confirms . For patients with known to bee or wasp stings (the enzyme has cross-reactivity), particular caution is .
The injection.
What happens next. The filler softens within hours and over 24 to 48 hours. The area may initially look swollen as the enzyme works, then gradually returns to baseline as the HA is absorbed.
Follow-up. A review at 2-4 weeks the result and determines whether further sessions are needed. Some — particularly those with substantial filler — benefit from a second session 2-4 weeks after the first.
How many sessions are needed
For most patients, a single session is sufficient. However, several can increase the number of sessions required:
Multiple rounds of accumulated filler over years can create denser, more integrated filler that needs more enzyme to fully dissolve.
Different filler types in the same area — some HA are more cross-linked (more resistant to breakdown) than others. Resilient products may need higher hyalase doses.
Biofilm formation can shield filler from enzyme action, requiring dissolution sometimes combined with antibiotics.
filler history — when the patient doesn’t know what was originally placed, may cautiously across multiple sessions to ensure adequate without over-treating.
Most patients are dissolved within 1-2 . Persistent filler beyond that is uncommon.
Does it hurt?
The injection itself is brief and tolerable. The very fine needle used produces minimal discomfort — similar to or less than the filler treatment. report:
Topical anaesthetic can be applied for particularly patients but isn’t necessary for most. The is significantly less uncomfortable than most people expect.
What to expect afterwards
Immediately: mild swelling and possible small bruising at injection sites. Some redness for a few hours.
First 24 hours: the filler begins visibly and reducing. The treated area may look slightly as the enzyme works.
24-48 hours: filler dissolution substantially complete. The area gradually returns toward its pre-filler state.
1-2 weeks: any residual resolves. Final result visible at the 2-week mark.
Restrictions:
For more on the broader filler aftercare framework, see our and .
The "reset and rebuild" approach
For who want to restart their filler with better technique, the standard at Centre for Surgery is:
Stage 1: full of filler with hyalase.
Stage 2: recovery period of 2-4 weeks to allow the tissue to settle and any residual to fully .
Stage 3: honest reassessment of the patient’s without filler . Often their underlying anatomy needs less correction than they thought.
Stage 4: conservative with appropriate volume and technique, if appropriate. Sometimes patients choose to remain at this point.
Stage 5: plan with modest volumes at appropriate intervals, with full dissolution every months to prevent accumulation.
This approach prevents the cycle of accumulating filler that produces the "done" appearance many patients want to escape.
Risks and considerations
Common (mild and self-limiting):
Less common:
Rare:
A thorough discusses your risk based on filler history, skin type, and overall health.
What you can’t dissolve
Hyalase is to hyaluronic acid. It does not work on:
Patients with non-HA filler that they want face significantly more limited . For some, the only practical answer is patience while the product naturally degrades; for others, removal of nodules or affected tissue may be considered. This is why we recommend HA-based for all elective filler treatment — the reversibility is a safety feature.
Cost
At Centre for Surgery, filler treatment is priced per session — typically:
For patients filler placed elsewhere, no fee is charged for the dissolution consultation. , 0% APR, are available.
Common questions
No — dissolving the lips to their pre-filler state. Some feel their lips look "thin" or "deflated" immediately after because they’ve been accustomed to filled for months or years. Within 4-8 weeks, the lips look like the patient’s lips again. For more, see our guide on .
Hyalase breaks down HA — both the filler and any local natural HA in the immediate injection area. The HA regenerates within days. There’s no permanent damage to the lip, cheek, or other tissue.
Minimum 2 weeks, ideally 4 weeks. The longer wait allows full tissue and proper planning of re-treatment.
Yes — works on HA filler regardless of how long it’s been in place. Older filler may need slightly higher doses but the dissolution still works effectively.
This is common, particularly when treatment was performed elsewhere. Dissolution can still proceed — works on all HA brands. If non-HA filler was placed, the hyalase won’t dissolve it, which itself confirms the type.
No specific treatment — just (gentle handling, no heat, no for 24 hours). Most patients find the recovery substantially easier than the filler treatment.
Yes — patients sometimes opt for of accumulated filler from multiple areas. This may 2-3 sessions over 4-8 weeks to complete dissolution, on the volume and .
Vascular occlusion (filler a blood vessel) requires immediate — within hours, ideally within minutes for best outcome. Centre for Surgery keeps hyalase on-site for emergency use. If you’ve had filler treatment elsewhere and develop concerning symptoms (skin colour changes, severe pain, visual disturbance), seek immediate medical — at our clinic, by phone on , or via A&E if outside clinic hours.
For minor adjustments, sometimes additional filler placed in areas can the result without needing to dissolve. For more substantial changes, dissolution is usually the most reliable path. The honest answer comes from consultation rather than online assessment.
Centre for Surgery · · GMC · · · ·
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Centre for is a CQC-regulated private hospital on London’s Baker Street, plastic and cosmetic surgery through specialist . Our spans facial including and , , for men, and body such as and . Patient safety, surgical excellence and natural-looking results sit at the heart of everything we do.
Centre for is a CQC-regulated on London’s iconic , plastic and cosmetic led by consultant .
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