Hyaluronidase: Why Hundreds of Women Accuse This Product of Ruining Their Faces
Marketed as a way to completely reverse the effects of hyaluronic acid, hyaluronidase is now the subject of a wave of concerning testimonials. An investigation into a product that is essential… but far from harmless.
«My skin is sagging. My face looks like a rag.» This statement, made by a Russian patient in an Australian news report, has become a rallying cry. On Instagram, TikTok, and in private Facebook groups with thousands of members, women describe how their faces have been transformed—sunken, sagging, «aged twenty years in just a few weeks»—after having their hyaluronic acid injections dissolved.
The product in question has a strange name: hyaluronidase, sold under brand names such as marques Hyalase or Hylenex. It is the injectable enzyme that has been used for over a decade to dissolve fillers that have gone wrong, migrated, or simply gone out of style. Paradoxically, it is also the main selling point for hyaluronic acid fillers: «If you don't like it, we'll dissolve it.»
Except that this promise deserves to be qualified.
An essential enzyme… that can’t be demonized
Let’s be clear from the outset: hyaluronidase is a legitimate medical tool—and even a lifesaver in certain situations. In particular, it is the antidote used in emergencies when a filler compresses a blood vessel—a rare but serious complication that can lead to skin necrosis or, in the most severe cases, blindness. Without hyaluronidase, hyaluronic acid fillers would lose one of their main safety advantages.
The problem isn't the molecule itself. It stems from its widespread, trivialized, and largely unstandardized use in cosmetic applications.
An enzyme that doesn't sort
Hyaluronidase has no ability to discriminate. It cleaves the bonds in hyaluronic acid, from everything Hyaluronic acid. The kind that was injected into your lips six months ago, and the kind your skin has been producing naturally since birth.
The Real Problem: Concentration
This is where the difference between a successful dissolution and a transformed face lies.
Hyaluronidase is sold in powder form. Some practitioners inject it at very high concentrations, «to be sure» that the filler will be completely removed. This approach, while well-intentioned, is reckless and exposes the surrounding tissues to a massive dose of the enzyme.
A school that is gaining increasing recognition, on the contrary, advocates a significant dilution. This solution is more than sufficient to dissolve the filler, while significantly reducing the impact on natural tissues.
What Patients Report
The testimonials share some striking similarities: a feeling that the skin «isn’t holding up anymore,» a gaunt face, and a loss of definition in the cheekbones.
The other possibility that no one mentions
However, not everything can be attributed to hyaluronidase. A significant portion of the «aesthetic shock» following dissolution stems from a real psychological phenomenon: acclimatization.
When a person has been receiving injections for eight, ten, or twelve years, their face has continued to age under The filler. He simply didn’t notice it. The day the enzyme breaks down that artificial volume, she suddenly discovers the cumulative effect of a decade of natural aging. The contrast is stark—not because the product destroyed her, but because she had never seen her true face.
Added to that is the’balloon effect : Tissue that has been chronically stretched by fillers never fully returns to its original shape. It’s like a deflated balloon that retains a certain amount of worn-out elasticity. This phenomenon has nothing to do with the enzyme; it is a direct result of years of injections.
The two mechanisms—the breakdown of natural tissues due to overdose and the sudden manifestation of previously hidden signs of aging—coexist. This is what makes the issue so difficult to resolve.
The moral of this story
Hyaluronidase isn't the devil. It's a remarkable tool, indispensable in vascular emergencies, and generally safe when administered in the proper dilution and by an expert. The danger isn't the molecule—it's the protocol into which it is injected, and the hand who is holding the syringe.
The real takeaway is something else entirely. Hyaluronic acid fillers have been marketed for years as a completely reversible procedure. That promise deserves an asterisk. Yes, they can be dissolved. But you can’t turn back time.
Both injections and dissolutions are medical procedures. They require the same standards: an experienced practitioner, a thorough understanding of anatomy, and the humility to recognize that no procedure performed on the face is ever fully reversible.
