What is plasma filler? Plasma filler is a treatment that injects PRP into your face or neck. PRP has been used for decades for wound and soft tissue healing by orthopedic doctors and wound care physicians. There also a large amount of research and clinical evidence demonstrating PRP’s regenerative properties for the treatment of scars, minimizing pores, fine wrinkles, volume loss, hair loss, and skin rejuvenation.  “Platelet-rich plasma (PRP) is a preparation of platelets in