Dermal fillers are widely described as temporary, reversible aesthetic treatments lasting 6–18 months. That description has shaped patient expectations — and industry messaging — for years.

Recent imaging studies, however, suggest that the biological reality may be more nuanced. MRI evidence has demonstrated that hyaluronic acid filler can sometimes persist in facial tissues well beyond expected timelines. Redistribution across anatomical planes has also been observed.

Persistence on imaging does not automatically imply harm. But it challenges the simplicity of the “fully dissolves on schedule” narrative.

Another important consideration is cumulative exposure. If residual filler remains and patients undergo repeated top-ups, additional biomaterial may layer over existing material. Over time, this may influence contour balance, tissue mechanics, and long-term aesthetic harmony.

For this reason, I increasingly approach aesthetic planning with long-term structural thinking — often prioritising regenerative strategies such as lasers, microneedling, and platelet-rich plasma (PRP) before adding volume.

This is not an argument against fillers. Used judiciously and conservatively, they remain valuable tools. But they are structural interventions, and structural interventions deserve biological clarity.

I explore the evidence, the imaging data, and the ethical implications in greater detail in my full essay:

👉 Read the complete article on Substack: https://open.substack.com/pub/drattili/p/the-filler-myth-when-temporary-isnt?r=lyz5k&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true
The Filler Myth: When “Temporary” Isn’t Temporary