<;P>;PROBLEM TO BE SOLVED: To provide a sheet-like pack preparation maintaining skin moisture retaining effects over a long period even after releasing and having excellent persistence of skin moisture retention. <;P>;SOLUTION: The sheet-like pack preparation is provided with a support, a base and a release liner. The base comprises hybrid gel of hydrogel and oil gel. <;P>;COPYRIGHT: (C)2006,JPO&NCIPI