An ostomy appliance comprising an adhesive wafer (2) for attachment to a skin surface of a user. The adhesive wafer includes a backing layer (13), an adhesive layer (12), and at least one release liner (17). The release liner comprises an enclosure (9) capable of containing a liquid or a wipe (14). The enclosure (9) can be filled with liquid before removal from the wafer, thereby providing a temperature impact on the adhesive. The wipe (14) can be impregnated with an activating agent for providing an activation of the adhesive prior to use.
