The Hair Loss Encyclopedia
body's immune response to an implanted or invasive object
A Foreign Body Reaction (FBR) is the body's immune response to a foreign object that has entered the tissue, such as a splinter, surgical implant, or even hair transplants. This reaction involves inflammation, the formation of a fibrous capsule around the object, and the recruitment of immune cells to the site in an attempt to isolate or expel the foreign material.