| abstract |
[PROBLEMS] To provide transparency that does not cause a visually uncomfortable feeling, does not cause breakage or peeling between a support and a gel layer during use, is easy to handle, and follows the movement of skin and to a living body. A bioadhesive sheet having excellent safety is provided. A water-insoluble film layer having a thickness of 100 μm or less formed from a hydrophilic polymer, and (b) a hydrogel layer containing a polymer having an anionic group. . Here, the hydrophilic polymer is preferably a polysaccharide, and the polymer having an anionic group is preferably gelatin. [Selection figure] None |