Similar to PRP, platelet-rich fibrin (PRF) is a new, all-natural solution that can treat common areas that show the first signs of aging, like under-eye hollows and deflated cheeks.

While the use of PRP and PRF is growing in popularity as a viable option for cosmetic treatment, it has not yet been approved by the FDA.

We talked to Los Angeles facial plastic surgeon Kian Karimi, MD, who showed off the results of a PRF treatment on an episode of The Doctors to understand more about the treatment that is being referred to as a “natural” filler.