Hair Transplant Encyclopedia

3D hairline simulation is the use of three-dimensional imaging software to show a patient a rendered preview of a proposed hairline before surgery. It is...

Age is not the criterion; predictability is. There is no number that makes surgery appropriate. What matters is whether the pattern has declared itself clearly...

It measures what is there; it does not decide what to do. Software reads scalp photographs and returns counts — hairs per square centimetre, follicular...

Anagen effluvium hits the hair while it is still growing. An insult severe enough to stop cell division in the bulb interrupts the shaft mid-production....

Androgenetic alopecia is inherited sensitivity, expressed over time. It is not a disease the scalp catches. Certain follicles are genetically programmed to respond to androgens...

This term describes hair moving out of the beard, not into it. Beard follicles are harvested and placed on the scalp to extend a donor...

Most bleeding in a hair transplant happens during the operation, not after it. Once the procedure is over, bleeding is uncommon and usually self-limited. What...

The limit is length, not survival. Body hair keeps the growth cycle it was born with. Its anagen phase is far shorter than scalp hair’s,...

Depth is set against the graft, not against a number. There is no universal millimetre figure. The channel has to match the length of the...

The two regions return different things for the same graft. This is a question about where a finite donor is spent, and the answer is...

The crown is a direction problem before it is a density problem. Hair there leaves a single centre and spirals outward, changing bearing degree by...

A cyst forms when skin closes over something that should have reached the surface. A graft buried below the surface, or a second graft placed...