Abstract: A makeup-assisting patch having a layer structure that a pressure sensitive adhesive layer is provided on one surface of a base layer, wherein (1) the base layer is a layer of a polyurethane elastomer having a glass transition temperature of 0° C. or lower, (2) the pressure sensitive adhesive layer is an acrylic pressure sensitive adhesive layer composed of a copolymer containing at least one monomer unit selected from the group consisting of an alkyl acrylate and an alkyl methacrylate each having an alkyl group having 8 to 12 carbon atoms in a proportion of 70% by weight or more, and (3) the thickness of the base layer is 1 to 10 ?m, the thickness of the pressure sensitive adhesive layer is 1 to 15 ?m, and the total thickness of these both layers is 2 to 20 ?m.

Abstract: A patch having a layer structure that a pressure sensitive adhesive layer is provided on one surface of a base layer, wherein the base layer is an elastomer film having a thickness of 1 to 10 ?m, the thickness of the pressure sensitive adhesive layer is 1 to 15 ?m, the total thickness of the base layer and the pressure sensitive adhesive layer is within a range of from 2 to 20 ?m, the 10% tensile load of the patch in each of machine and transverse directions is 0.01 to 1.2 N/10 mm, assuming that the 10% tensile load value of the patch in the machine direction is X (N/10 mm), the thickness value of the patch is Y (?m), and the thickness value of the base layer is Z (?m), the patch satisfies the relationship of XY=0.02 to 15, or XZ=0.01 to 7, and the pressure sensitive adhesive layer exhibits adhesive strength of 0.1 N/10 mm or more.

Abstract: A multi-layer crosslinked gelatin gel structure having a layer structure that plural layers of crosslinked gelatin gel crosslinked by irradiating gelatin or a gelatin derivative with electron beam under an oxygen-containing atmosphere are arranged adjoiningly to each other, a preparation for release of a bioactive factor with the bioactive factor contained in the multi-layer crosslinked gelatin gel structure, and production processes thereof.