Transdermal permeant application device

A transdermal permeant application device comprising

• a patch application support;
• a patch having an adhesive area, the adhesive area having a first part and a second part;
• and
• an intervening release liner provided between the patch application support and the patch, the intervening release liner covering the second part of the adhesive area of the patch, and extending away from the patch and turning over, and being fixed to the patch application support;
• wherein the transdermal permeant application device further comprises:
• a porating element, wherein the porating element is provided in or on the patch application support, and the porating element is adapted to form at least one pore in the skin surface;
• wherein the device is configured so that, in a use situation in which the first part of the adhesive area of the patch adheres to a skin surface, and the porating element forms at least one pore in the skin surface, the patch application support with the porating element is slidable along the skin surface to peel the intervening release liner from the second part of the adhesive area of the patch to adhere the second part to the skin surface and allow the patch to alignedly cover the porated area.