What If You Transplant a Graft Into the Exact Spot of a Hair That’s Just in Telogen?

Hello Dr. Rassman,
So i was wondering what happens if a hair is transplanted in an active follicle? What I mean is, lets say you are doing a scalp or brow transplant, and a hair falls out during the process and you implant a hair in that location where the hair fell out? Since the follicle was still active and producing hair, do both the original follicle and implanted one die? I haven’t found any info on this, hoping you could share your insight.

Thank you.

If a graft was transplanted into the exact spot of another hair that is just in the resting phase of the hair life cycle, then you would probably get an extra hair to grow from that spot. It is unclear if the existing hair follicle will be damaged.

We often see hair that is in varying stages of its cycle when we look under the microscope at the donor area we are preparing. These hairs grow just like they would normally do prior to the transplant.