Hypertrichosis disappears after a year,
even with continued use of minoxidil, and
remits within one to six months if treatment
is stopped.8 Bleaching of longer, darker hair
is helpful cosmetically. Hair removal procedures
are seldom necessary. Explanations for
the occurrence of this side effect include local
intravascular spread of minoxidil, inadvertent
manual transfer of the drug to the face,
and transmission of residual minoxidil from
pillows.8