PROBLEM TO BE SOLVED: To provide a skin patch that is unlikely to unstick from skin.SOLUTION: A skin patch (1) comprises a supporting base material (2) and an aqueous gel (3) laminated along one entire surface of the supporting base material (2). The supporting base material (2) has a longitudinal direction (first direction) and a width direction (second direction) orthogonal to the longitudinal direction (first direction) in plan view, and one of the two directions has a higher elongation rate than that of the other.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2020,JPO&INPIT【課題】皮膚から剥がれ難い貼付剤を提供する。【解決手段】貼付剤1は、支持基材2と、支持基材2の一方面の全域にわたって積層された水性ゲル3と、を備え、支持基材2は、平面視において長手方向(第1の方向)及び長手方向(第1の方向)に直交する幅方向(第2の方向)のうちの一方向の伸長率が他方向の伸長率よりも高い。【選択図】図2