More and more physicians are offering Selphyl injections in their office to patients as an alternative to other fillers (such as as fat injections, Juvederm, Restylane, and Sculptra). It is a filler that is composed of your own blood cells after it is spun down using a centrifuge and reinjected into the face to help stimulate collagen. It appears safe but the question is whether it is really effective for long term rejuvenation??? Studies are currently being conducted to evalute its long term effects. Read more in the NY Times.