2 ms·Hair isn't dead. It's not cells at all, just extruded protein. But that's largely beside the point.by thfuran 3y agoHair isn't dead. It's not cells at all, just extruded protein. But that's largely beside the point.moate 3y ago"Dead" in the "nonliving organic material" sense. It seems much easier for mycelium to survive in something incapable of an immune response vs. living tissue. And yes, largely besides the point indeed.samatman 3y agoHair is composed of dead hair cells.