Because they are transparent, easy to smooth, and less likely to clump together, hyaluronic acid fillers are the most common type of filler used in the under-eye area. Hyaluronic acid provides the shortest result of all fillers, but some professionals consider it to provide the most natural look. Under-eye fillers are injectable treatments with hyaluronic acid (commonly known as Restylane and Juvederm) that can be used to treat volume loss under the eyes. If your filler goes directly under the eye, your dermatologist will certainly use a hyaluronic acid filler, such as Restylane, Belotero or the aforementioned Juvederm, which can also be used on other parts of the face.
In general, I use soft tissue fillers such as Restylane or Juvederm in this area, as long as the bags under the eyes aren't too prominent.