What is PRP? PRP (Platelet-rich plasma) treatment is a type of treatment defined by injecting blood containing growth factors and supporting the role of growth factors in order to heal the damage in that area, especially as a result of orthopedic injuries or disorders. How is PRP Made? The platelet-rich part of the blood taken from the person through certain processes is injected into the damaged area and applied. It supports the body's self-healing process by stimulating platelet-rich blood growth factors.