Provided is a production method for an interface membrane for contact with the skin, configured to be connected to a support layer and to be placed in contact with the human body, the interface membrane having a structure with a main two-dimensional extension and defining a first surface configured to come into contact with the skin, the membrane including at least one layer defining the first surface and made of crosslinked polyurethane foam, the method including at least one coating step of the polyurethane foam on a transfer medium, to make said at least one layer, a detachment step of said interface membrane from said transfer medium, said transfer medium having a roughness equivalent to a transfer paper with less than 4% gloss, measured using the 75° TAPPI T480 method.
