The invention relates to a self-adhesive transdermal device for the administration
of testosterone and/or at least one of the derivatives thereof, comprising successively
at least one support layer, a self-adhesive matrix layer and a detachable protective
layer, whereby the matrix layer comprises at least one self-adhesive polymer, at
least one formulating adjuvant for the matrix layer, at least one solvent chosen
from the group made up of solvents of testosterone or the derivatives thereof and
testosterone and/or at least one of the derivatives thereof in an oversaturated
solution. The device has excellent testosterone permeation qualities and excellent
cutaneous tolerance and adhesion qualities. The invention also relates to a method
for the production of said device and the use thereof for a medicament, i.e. within
the framework of a testosterone replacement therapy.