With the cannula method, a small introducer needle is used to create an entry point for the cannula. The cannula is then inserted into the puncture site and maneuvered along the natural planes of skin tissue; this provides a large area to place the dermal filler through a single entry point.

Are cannulas painful?

What should I do if my cannula becomes painful? If your cannula becomes painful or the area around it becomes red or swollen you must tell one of your nurses immediately. It may need to be removed.

How does a cannula work for fillers?

Using a cannula for these procedures, such as Lip Filler, ensures the filler is injected in the deeper layers of the skin, and not superficially causing an over-filled look, as well as only using one insertion point reducing the risk of bruising, swelling and for added patient comfort.