Dissolving Lip Fillers: How Hyaluronidase Works and What to Expect

What Is Hyaluronidase?

Hyaluronidase is a natural enzyme that your body already produces in small amounts. When injected directly into an area that contains hyaluronic acid filler, it breaks down the filler’s main ingredient—hyaluronic acid—into smaller fragments that your body can quickly absorb and eliminate. Think of it as a targeted “undoer” for certain types of filler.

The most common brands used for filler dissolution are Vitrase and Wydase. While they are technically FDA-approved for eye surgery, using them to dissolve dermal fillers has become a widely accepted, standard practice in cosmetic dermatology.

Important: Hyaluronidase only works on hyaluronic acid (HA) fillers, such as Juvéderm, Restylane, Belotero, and similar brands. It cannot dissolve calcium-based fillers (Radiesse), poly-L-lactic acid (Sculptra), or silicone. If you are unsure what type of filler you have, your provider will need to review your treatment records before proceeding.

Why Someone Might Want Their Filler Dissolved

Patients seek hyaluronidase treatment for many different reasons. Common ones include:

• Overfilling that created lips that look too large or unnatural
• Uneven or asymmetric results
• Filler that has migrated outside the lip border (called “filler migration”)
• An allergic or inflammatory reaction to the filler
• A vascular emergency (when filler accidentally blocks a blood vessel)—this is rare but requires immediate treatment
• Simply changing your mind and wanting to return to your natural appearance

What to Expect During the Procedure

Before treatment, your provider will examine your lips, review your filler history, and take photographs. They will discuss whether you want partial softening or complete dissolution, because the dose is adjusted accordingly.

The procedure itself is quick:

• A topical numbing cream may be applied beforehand for comfort.
• Your provider injects small amounts of hyaluronidase directly into the filler using a very fine needle.
• Multiple small injection points are used so the enzyme spreads evenly and avoids over-dissolving one spot.
• The entire treatment usually takes 15–20 minutes.

There is no required downtime. You may experience mild redness, swelling, or bruising at injection sites, which typically resolves within 24–48 hours.

Results and Timeline

Hyaluronidase works faster than almost any other cosmetic procedure:

• 1–2 hours: You will likely notice some initial softening as the enzyme begins working.
• 12–24 hours: Substantial reduction in volume and firmness is visible.
• 48–72 hours: Peak dissolution effect is reached. Your provider will typically schedule a follow-up assessment around this time.
• Up to 2 weeks: Continued subtle improvement as any remaining product fragments are fully absorbed.

For filler that was placed recently (within 2 weeks), dissolution is most complete—often 90% or more removed. Filler that has been in place for several months may dissolve more slowly and less completely, as it becomes more integrated into surrounding tissue over time.

Partial vs. Complete Dissolution

You do not have to dissolve everything. If you like having some volume but simply want your lips to look less overdone, your provider can use a lower dose to gently soften results without eliminating them entirely. This graduated approach often requires a follow-up appointment 1–2 weeks later to assess whether additional treatment is needed.

Starting with a conservative dose is always preferable—it is easier to dissolve a little more at a follow-up than to add filler back after overdissolution.

Benefits and Risks

Benefits:

• Fast, visible results within 24–48 hours
• Safe and well-tolerated with minimal downtime
• Can be done as partial correction or complete removal
• Provides peace of mind that filler is not permanent

Possible side effects and risks:

• Redness, swelling, and bruising at injection sites (5–10% of cases), resolving within 24–48 hours
• Overdissolution creating a flatter or deflated appearance—this can require additional filler to correct
• Allergic reaction to hyaluronidase (very rare, less than 0.1%)
• Temporary changes in sensation near injection sites, usually resolving within 2–4 weeks

Who Is a Good Candidate?

You may be a good candidate for hyaluronidase treatment if:

• You have confirmed hyaluronic acid filler (Juvéderm, Restylane, or similar brands)
• You are unhappy with your filler result for any reason—overfilling, asymmetry, migration, or simply preferring your natural look
• You have no known allergy to hyaluronidase or bee stings (rare cross-sensitivity has been reported)
• You have realistic expectations: final results become clear at 48–72 hours, and some volume loss beyond what you intended is possible

When to See a Dermatologist

You should see a dermatologist (rather than returning to the original injector if you are not confident in them) if:

• You are experiencing pain, persistent swelling, or discoloration after filler that suggests a vascular problem—this requires emergency hyaluronidase treatment
• Your filler has visibly migrated outside the intended treatment area
• You received filler at a location that cannot confirm what product was used
• You want an experienced assessment before deciding between partial and complete dissolution

Hyaluronidase treatment should always be performed by a qualified medical provider who is experienced with facial anatomy and filler complications.

Frequently Asked Questions

Q: How long after getting filler can I have it dissolved?
A: You can have hyaluronidase treatment at any time, but it works best when filler is relatively recent. Filler placed within 2 weeks typically dissolves 90%+ completely. Older filler (placed 3 or more months ago) may dissolve only 50–80% because it integrates more deeply into surrounding tissue over time. Even so, meaningful improvement is still possible.

Q: Will dissolving my filler hurt?
A: The injections are similar in discomfort to the original filler procedure—mild to moderate depending on your sensitivity. Numbing cream applied beforehand significantly reduces discomfort. Most patients find it very manageable.

Q: Can I get new filler placed the same day I dissolve the old filler?
A: Most providers recommend waiting at least 2 weeks before placing new filler. Hyaluronidase can break down some of the body’s own natural hyaluronic acid in addition to the filler, and waiting allows this to fully recover. Injecting new filler too soon could result in it dissolving faster than expected.

Q: How much does it cost to dissolve lip filler?
A: Hyaluronidase treatment typically costs $300–$600 depending on how much product needs to be dissolved and your provider’s location. Insurance does not cover cosmetic filler dissolution. It is worth asking about the cost upfront so there are no surprises, especially if you had your filler done elsewhere and are seeking correction from a different provider.