In short. Dissolving removes product, not the stretched skin, the changed contour, or the years of repeated treatment that produced them.

Key points

  • Before anything is placed, establish which class is being used, how much of it could be removed later, who would do that, and what the plan is if removing it does not restore what you expected.
  • A plan without an exit is a decision that depends on everything going well.

Dissolving is often described as the undo button, and it is worth being precise about what it actually removes. It takes away material. It does not take away the tissue that was stretched around it, or the contour that changed over the years of treatment.

What dissolving does

The enzyme breaks down hyaluronic acid, which means it acts on your own tissue in the same area as well as on the material that was placed. It is injected, so it carries its own bruising, swelling and a rare reaction risk. It is usually incomplete, because some of the material sits where the enzyme does not reach. And it works only on that one class.

What it does not bring back

The skin over the treated area has been stretched and has aged while it was stretched. The contour of the region is the product of every session, not of the last one, and removing the last one leaves the shape the earlier ones produced. The thin skin under the eye has often taken on a colour of its own, which dissolving does not reverse. And the years in which this was happening are years in which the face changed anyway, so the baseline has moved in both directions.

Agree the exit before the first injection

Before anything is placed, establish which class is being used, how much of it could be removed later, who would do that, and what the plan is if removing it does not restore what you expected. A plan without an exit is a decision that depends on everything going well.

The classes with no reversing agent

A material that cannot be broken down cannot be removed at all. Where one of those classes is used under the eye, a lump, an over-correction or a tint is a problem that time has to solve, and time solves it slowly and not always completely. The choice of class changes what can be done afterwards, not only how the result looks.

What an operation can and cannot correct afterwards

Lower eyelid surgery can remove or reposition the fat pad, and in some cases remove skin that has lost its elasticity. That is not a correction of the filler; it is a treatment of the eye as it now exists. It has its own risks, including a change in where the lid margin sits and dryness, and it is judged at months.

Ask these before agreeing to dissolving

  • How much of the material is expected to remain after the enzyme has acted.
  • What the under-eye is likely to look like if it does not return to the earlier shape.
  • What can be done if the result is flatter than before, and who would do it.

What the treatment does and does not change in the first place is set out in What Tear Trough Filler Changes, and What It Does Not. The question of a mound that no injection reaches is covered in Why Filling a Bulge Makes It Worse.

Related reading

Frequently asked questions

What does dissolving do to my own tissue?

The enzyme breaks down hyaluronic acid wherever it reaches it, which includes your own in the same area as well as the material that was placed. The under-eye can therefore look flatter afterwards than it did before treatment began, and the effect is not neatly limited to the product alone.

Can dissolving return my face to how it looked before?

Not reliably. It removes what is still present and reachable, and it does not remove the tissue changes that came with the material, the ageing that continued alongside it, or the fact that the region has been treated repeatedly. The face underneath is not the face you started with.

Which materials cannot be dissolved at all?

Only the hyaluronic-acid class can be broken down with an enzyme. The other classes used for volume have no reversing agent, so a decision made with one of those is a decision that time alone undoes. That is one of the few places where the choice of class has a consequence beyond the result itself.

Risks & Limitations

  • The infraorbital vessels run close to the plane the material is placed in, and their position varies between people. Material entering one can travel toward the circulation around the eye: skin can be lost, and in rare cases vision is affected. This is time-critical rather than cosmetic.
  • The lower lid is the thinnest skin on the face, so material placed too near the surface can show through it as a grey or blue-grey tint, and a lump here is visible in a way a lump in the cheek or the jaw is not. Only the reversible class can be broken down, and dissolving is its own procedure with its own risks rather than a clean undo.
  • This region drains the worst on the face. Swelling lasts longer here than anywhere else, morning puffiness can persist for months, and repeated filling raises the baseline until the under-eye is puffy in a way that reads as a bag.
  • Filling a bulge makes it worse: material placed beneath a herniated fat pad raises the surface around a mound that is still there, and the eye reads heavier rather than rested. Where the finding is a fat pad, the treatment that addresses it is an operation.

When to Seek Care

  • Any change in vision, including blurring or a patch of lost sight — seek emergency care immediately.
  • Severe pain out of proportion to the injection, or pain that is worsening rather than settling.
  • Skin turning white, grey, mottled or dusky anywhere near the treated area.
  • Swelling that is increasing after the first few days rather than settling, or fever with spreading redness, warmth or discharge.

References & Further Reading

  • American Society of Plastic Surgeons (ASPS) — procedure and safety guidance
  • National Institute for Health and Care Excellence (NICE, UK) — relevant guidance
  • Cochrane Library — systematic reviews
  • Chinese Medical Association Plastic Surgery Branch — clinical guidance

Medically reviewed by Ke He, MD (何锞), Deputy Director & Head of Skin & Laser Aesthetics. Last reviewed: 19 September 2026.

This page is patient education, not medical advice, and it does not cite individual studies. Discuss your own case with a qualified clinician. To arrange an assessment at Chongqing West District Hospital, see Contact & Consultation.