In short. Nothing dissolves this substance. What that means for the first session, for a top-up, and for a result that overshoots in an area where there is no exit.
Key points
- Ask whether you would accept this area being permanently slightly fuller, with no way to switch it off, if the result turned out larger than intended.
- A yes is a considered decision.
- A no means the first session should be smaller, later, or replaced by a reversible option that answers the same question with an exit.
The most consequential fact about this treatment is not how it works or how long it lasts. It is that nothing reverses it. A hyaluronic-acid filler can be broken down with an injected enzyme within days, and that option does not exist here. A patient who understands this decides differently, and the difference shows in the size of the first session.
What the absence of an exit changes
It changes the direction of every judgement. When a result can be dissolved, the reasonable approach is to correct towards the desired look and adjust afterwards. When it cannot, the reasonable approach is to under-correct deliberately, because material can always be added later and nothing can be taken away. It is the arithmetic of a treatment that only moves in one direction, and it applies to the first session, to every top-up and to the decision about when the course ends.
What management actually looks like
Where a result is more than was wanted, or a firm area appears, the options are limited and none of them is a reset. Small firmness may soften as the tissue remodels. Massage may be prescribed for a specific period in a specific way. Injected treatment may be used where a delayed reaction has an inflammatory component. Removal is occasionally considered for a problem that cannot be managed otherwise. Every one of those is a pathway rather than a correction.
The decision test
Ask whether you would accept this area being permanently slightly fuller, with no way to switch it off, if the result turned out larger than intended. A yes is a considered decision. A no means the first session should be smaller, later, or replaced by a reversible option that answers the same question with an exit.
How it changes the top-up
With a reversible treatment, a top-up is a low-stakes adjustment. Here it is an addition to something that cannot be reduced, and it should be justified by photographs and by evidence that the effect is still developing rather than by impatience. The flat period is the moment when a top-up is most tempting and least defensible, because it is asked for at the point of least information. A plan that states in advance how a top-up will be decided removes that decision from the middle of a frustrating month.
Claims that should end the conversation
- Anyone describing this treatment as reversible, or as something that can be corrected later.
- Anyone proposing a full correction at the first session in an area that cannot be reduced.
- Anyone who cannot say what would be done if the result at six months were more than you wanted.
None of this makes the treatment a poor one. It makes it a commitment whose terms are decided before the first injection rather than after it, and it explains why every careful plan for this substance starts small. A patient who has accepted that the change is for good will make a better decision at every point in the course, including the point at which they decide to stop.
Frequently asked questions
Is there really no way to reverse this substance?
There is no injected agent that breaks it down, unlike a hyaluronic-acid filler. The material clears slowly on the body’s own schedule, and anything done in the meantime is management of the result rather than reversal of the treatment.
Does that mean I should ask for less than I want?
It means the safe direction is under-correction, and that a small change you dislike is a smaller problem than a large one. Because more can be added later without any way to remove what is there, the first session should be the smallest one that answers the question.
What happens if the result is more than I wanted?
It is waited out as the effect declines, or treated where a lump or an irregularity needs management, and occasionally addressed surgically. None of those returns the area to exactly what it was, which is why prevention is the whole of the decision rather than one part of it.
Risks & Limitations
- Irreversibility: there is no agent that reverses this substance. An uneven or unwanted result is managed over time, with injected treatment, or occasionally by removal, and never switched off.
- Nodules and granulomas — firm lumps or an inflammatory reaction that can appear weeks or months after treatment, most often in the window when the result is being judged.
- Unevenness or over-correction, which is harder to correct than under-treatment in an area that cannot be dissolved.
- Nothing is visible on the day and the treated area may look unchanged for several weeks. This is expected rather than a sign the treatment has failed.
- Infection or inflammation at an injection site, which needs prompt assessment rather than waiting.
- Tenderness, swelling, occasional bruising and occasional headache after treatment.
- The result develops over months, cannot be judged before six months, is not permanent, and declines gradually after its fullest point; the face continues to age.
When to Seek Care
- A firm, growing or painful lump at or near an injection site, appearing weeks or months after treatment — this needs assessment even when it is not painful.
- Redness, warmth, swelling or pus at an injection site, or fever.
- Skin breakdown, blistering, or a dusky or mottled patch over a treated area — seek care immediately.
- Increasing pain, or pain out of proportion to the injection.
- Difficulty breathing, facial swelling or a widespread rash — possible severe reaction; seek emergency care immediately.
References & Further Reading
- American Academy of Dermatology (AAD) — injectable and skin safety information
- American Society of Plastic Surgeons (ASPS) — injectable treatment guidance
- U.S. Food and Drug Administration (FDA) — approved injectable products and safety communications
- National Medical Products Administration (NMPA, China) — approved product status
- Chongqing West District Hospital — Plastic Surgery & Aesthetics Medical Center
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.