Dermal fillers are widely used to restore volume, define facial features, and smooth fine lines. But a question that often arises is: where does filler go when it wears off? If results fade, does the product dissolve, get absorbed, or migrate? Here’s what really happens behind the scenes.
Understanding What Fillers Are Made Of
Most commonly used fillers today are made from hyaluronic acid (HA) — a naturally occurring sugar molecule found in the skin and connective tissues. HA attracts and holds water, giving skin its plumpness and elasticity.
When injected, these fillers integrate with the skin’s tissue, creating structure or volume in targeted areas, such as the lips, cheeks, chin, or under the eyes. But they’re not permanent — and that’s a good thing.
The Natural Breakdown Process
Over time, the body gradually breaks down hyaluronic acid using an enzyme called hyaluronidase, which is naturally present in the skin. This is part of the reason why results fade slowly and not all at once.
So, where does filler go when it wears off? The answer is: it’s metabolised by your body. The filler gets broken down into smaller molecules and eliminated through the lymphatic system, similar to how the body processes other substances.
Does It Migrate or Leave Residue?
In properly performed treatments, HA fillers stay where they’re placed until they are absorbed. Migration or “spreading” is usually associated with incorrect technique, using too much product, or treating mobile areas like lips or tear troughs too frequently.
When placed correctly, the filler doesn’t leave behind damage or stretch the skin. The treated area will simply return to its previous state gradually. In fact, many clients find that skin quality improves even after the filler wears off, thanks to the hydration benefits of hyaluronic acid.
How Long Do Results Last?
Filler longevity depends on:
- The area treated – Lips tend to metabolise product faster than cheeks or jawline
- Product density – Thicker fillers last longer than more fluid formulations
- Your own metabolism – Some people break down HA faster than others
Most HA fillers last between 6–12 months. In areas like the lips, it may be closer to 6 months, while deeper treatments like chin sculpting may last up to 18 months.
What If You Want It Gone Sooner?
If, for any reason, a client wishes to dissolve filler earlier — for example, if the result doesn’t suit their face — hyaluronidase can be used to break it down quickly. This must be done by a qualified practitioner, with careful consideration for safety and aesthetics.