Can I use lipogaine or minoxidil to help grow a beard?

Yes, whether it is scalp hair, body or beard; transplaknted hair follows the characteristics of the donor area.  Since we don't expect to lose our beard by aging, beard to scalp hair transplant is considered permanent.

Beard hair transplant is a good option for your to grow hair in the area where the hair is not growing. It is a meticulous procedure therefore you need to chose your doctor very carefully. In the hands of a skilled surgeon it will look very natural and yields good result. 

You can probably shave after the scabs have fallen out and the area has healed. Always check with your doctor first.

Beard or facial hair is a genetic trait. There are no medications that will grow a beard.  Some may try Rogaine but if you do see results it is temporary. 

Facial hair growth is a genetic trait. If you have very little facial hair there isn't much you can do to increase the growth or density.  Hair transplant may be an option.

Having a thin mustache and beard is genetic.  It is best to wait to see if more hair grows in, however if it doesn't in the hands of a experienced hair transplant surgeon, beard and mustache hair transplant is very natural and successful.