Its a type of surgery that moves hair you already have to fill an area with out no hair.
Doctors have been doing these transplants in the U.S since the 1950’s. but techiques have change a lot in recent year.

You usually have the procedure in the doctors office.First,
the surgeon cleans your scapl and inject medicine to numb
the back of your haead.Your doctor will choose one of two methods for  the transplant:


Follicular unit strip surgery(FUSS)
Follicular unit extraction(FEU).

Follicular unit strip surgery(FUSS)
With FUSS,The surgeon removes a 6-10 inche strip of skin from the back of your head.
He sets it aside and sews tha scapl closed.
This area is immediately hidden by the nair around it.
Next,the surgeon’s team divides the strip of removed scalp into 500 to 2000 tiny grafts,each with an individual hair or just a few hairs.
The number and type of graft you get depends on your hair type,quality,color ,and the size of the area where you’re getting the transplant.

Follicular unit extraction(FEU).
If you’re getting the FEU procedure,the suegeon’s team will shave the back oy your scalp.
The , the doctor will remove hair follocles one by one from thre.
the area heals with small dots,whcich your existing hair will cover.
after that point , both procedures are the same.
afte he prapares the graft , the surgeon cleans and numbs the area where a scalpel or needle,and delicately
places each graft in one of the holes.
He’ll probably get help from other team members to plan the graft too.

Depending on the size of the transplant you’re getting ,
the process will take about 4 to 8 hours.
You migth need another procedure later on if you continue to lose hair or decide you want thicker hair.