Why does the serum separating gel produce bubbles?

    Nowadays, with the improvement and development of the medical industry, many hospitals or institutions do not only focus on quality, but also have high requirements for beauty. If there are bubbles in a perfect transparent gel, it will not only damage the external image, but also the purchaser will question whether the transparent gel has a quality problem? This will affect the purchase volume. So today we will carefully analyze the bubble problem of serum separating gel.