Q: I would be so grateful if you could give me some idea on how the quality of the hair that is transplanted is affected by its new ‘home’ and the native neighboring hair. — D.C., Flatiron, N.Y.

Is it likely all the hair that is going to be able to come back to life with Propecia will also mature fully eventually? At the moment there is a big visual difference between the front section and rest of hair. (I understand hair count per cm2 may differ more drastically- I’m thinking here just of the hair shaft thickness.) Also, when I have hair transplants – as I intend to when Propecia has done all it can – will the hairs from the back of my head (thick) stay that thick regardless or will they take on the properties of the new surrounding hair?

A: Hair that responds to Propecia doesn’t always regain the full character of the original hair, so the area may still look thin.

The transplanted hair, however, will look like the original hair and maintain, over time, the same character as the hair in the donor area (where it came from).