Understanding the disparity is crucial when it comes to "selecting" the appropriate component.

What sets PEG and BDDE apart in their roles for fillers?

- PEG assists in stabilizing the gel matrix and regulating filler viscosity. Moreover, it potentially enhances filler longevity and biocompatibility.

- BDDE acts as a crosslinking agent, forging covalent bonds between hyaluronic acid chains to amplify filler durability and resilience against degradation.

In essence, while both PEG and BDDE contribute to filler stability and efficacy, they possess distinct chemical compositions and functions in the formulation.

PEG primarily stabilizes the gel matrix, whereas BDDE specifically facilitates hyaluronic acid molecule crosslinking.