[Object] The present invention provides a percutaneously absorbable preparation for percutaneous absorption of donepezil or its hydrochloride which is stable and resistant to loss of cohesiveness of the pressure-sensitive adhesive layer while attached and resistant to adhesive transfer due to cohesive failure during removal by peeling.[Solution] The percutaneously absorbable preparation comprises 2-[(1-benzyl-4-piperidinyl)methyl]-5,6-dimethoxyindan-1-on and/or its hydrochloride and a metal chloride in a pressure-sensitive adhesive layer which has been crosslinked.
