Abstract: A packaging bag according to one example includes: a bag body configured to store a plurality of folded patches; an opening formed in the bag body; and a flap label configured to cover the opening such that the opening is capable of being opened and closed. The opening is formed such that Lp/La is 1.5 to 2.5 and Lq/Lb is 1.8 to 2.8, where La denotes a first length of the opening along a first direction, Lp denotes a first length of the folded patch along the first direction, Lb denotes a second length of the opening along a second direction orthogonal to the first direction, the second length being shorter than the first length, and Lq denotes a second length of the folded patch along the second direction.

Abstract: Disclosed is a patch comprising an adhesive layer on a backing layer, wherein the adhesive layer comprises lidocaine or a pharmaceutically acceptable salt thereof, propylene glycol, a rubber adhesive base and a terpene resin, wherein the content of the lidocaine or a pharmaceutically acceptable salt thereof in the adhesive layer in terms of free form is 2 mass% to 6 mass% with respect to the total mass of the adhesive layer, wherein the ratio of the mass of the lidocaine or a pharmaceutically acceptable salt thereof in terms of free form to the mass of propylene glycol in the adhesive layer is 1:0.6 to 1:1.8, and wherein the content of the terpene resin in the adhesive layer is 5 mass% to 18 mass% with respect to a total mass of the adhesive layer.

Abstract: A method for producing an adhesive layer composition for producing a cooling sheet including a backing layer, an adhesive layer, and a liner layer, the method comprising the step of: mixing a composition to be mixed containing water, an alum, sodium edetate, a polyacrylic acid, and a neutralized polyacrylic acid such that a mixing temperature becomes 5 to 23° C., to obtain an adhesive layer composition, wherein in the composition to be mixed, a content of the water is 69 to 938.24% by mass relative to a total mass of the composition to be mixed, a content of the alum is 0.18 to 0.42% by mass relative to the total mass of the composition to be mixed, a content of the sodium edetate is 0.08 to 0.18% by mass relative to the total mass of the composition to be mixed, and a mass ratio between the content of the alum and the content of the sodium edetate (the content of the alum:the content of the sodium edetate) is 1:1 to 5.25:1.

Abstract: A cooling sheet comprising: a backing layer; an adhesive agent layer; and a liner layer for protecting the adhesive agent layer, wherein the adhesive agent layer contains water at 65 to 85% by mass based on a total mass of the adhesive agent layer, polyalkylene glycol monooleate at 0.12 to 0.7% by mass based on the total mass of the adhesive agent layer, polyvinyl alcohol at 3 to 10% by mass based on the total mass of the adhesive agent layer, polyacrylic acid at 0.5 to 5% by mass based on the total mass of the adhesive agent layer, and a parahydroxybenzoate at 0.01 to 1% by mass based on the total mass of the adhesive agent layer, and a mass ratio of a content of the polyvinyl alcohol to a content of the polyacrylic acid is in a range of 1.2:1 to 5:1.

Abstract: A patch base comprises gelatin, polyvinyl alcohol, a methyl acrylate/2-ethylhexyl acrylate copolymer, and L-menthyl glyceryl ether, wherein relative to the total mass of the base, the content of the gelatin is 1.5 to 6% by mass, the content of the polyvinyl alcohol is 0.5 to 8% by mass, and the content of the methyl acrylate/2-ethylhexyl acrylate copolymer is 0.5 to 13% by mass.

Abstract: A gel patch comprising a plaster layer on a support, the plaster layer comprising a mixture of at least a neutralized polyacrylic acid, a poly(methyl acrylate/2-ethylhexyl acrylate) emulsion, and water, wherein the poly(methyl acrylate/2-ethylhexyl acrylate) emulsion is an emulsion having an evaporation residue of 57 to 61% by heating at or above the boiling point of the medium and is present in an amount of at least 2.5 times and preferably at least 3 times the mass of the neutralized polyacrylic acid.

Abstract: A gel patch includes a base fabric, an adhesive layer, and a release liner in this order, wherein the adhesive layer contains a physiologically active substance, a water-soluble (meth)acrylic polymer, water, a surfactant, and poly(methyl acrylate/2-ethylhexyl acrylate), and the surfactant comprises a polyethylene glycol fatty acid ester or a polyoxyethylene sorbitan fatty acid ester.

Abstract: The present invention provides a gel patch comprising a base fabric, an adhesive layer, and a release liner in this order, wherein the adhesive layer contains a physiologically active substance, a water-soluble (meth)acrylic polymer, water, a surfactant, and poly(methyl acrylate/2-ethylhexyl acrylate), and the surfactant comprises a polyethylene glycol fatty acid ester or a polyoxyethylene sorbitan fatty acid ester.

Abstract: The present invention provides a gel patch comprising an adhesive mass layer on a backing fabric, wherein the adhesive mass layer contains glycol salicylate, a water-soluble polymer, water and glycerin, and the content of glycerin is 8 to 15 times the content of glycol salicylate on the basis of mass.

Abstract: A gel patch comprising a plaster layer on a support, the plaster layer comprising a mixture of at least a neutralized polyacrylic acid, a poly(methyl acrylate/2-ethylhexyl acrylate) emulsion, and water, wherein the poly(methyl acrylate/2-ethylhexyl acrylate) emulsion is an emulsion having an evaporation residue of 57 to 61% by heating at or above the boiling point of the medium and is present in an amount of at least 2.5 times and preferably at least 3 times the mass of the neutralized polyacrylic acid.

Abstract: A gel patch includes a base fabric, an adhesive layer, and a release liner in this order, wherein the adhesive layer contains a physiologically active substance, a water-soluble (meth)acrylic polymer, water, a surfactant, and poly(methyl acrylate/2-ethylhexyl acrylate), and the surfactant comprises a polyethylene glycol fatty acid ester or a polyoxyethylene sorbitan fatty acid ester.

Abstract: A lidocaine-containing hydrogel patch comprising: a support layer; and a adhesive layer stacked on a surface of the support layer, wherein the adhesive layer comprises at least one selected from the group consisting of lidocaine and pharmaceutically acceptable salts thereof, a total content of the lidocaine and the pharmaceutically acceptable salts thereof is 3 to 8% by mass relative to an entire mass of the adhesive layer, the adhesive layer further comprises oleic acid in an amount of 0.3 to 1% by mass relative to the entire mass of the adhesive layer, and a pH of the adhesive layer is 6.8 to 7.4.

Abstract: A lidocaine-containing hydrogel patch comprising: a support layer; and a adhesive layer stacked on a surface of the support layer, wherein the adhesive layer comprises at least one selected from the group consisting of lidocaine and pharmaceutically acceptable salts thereof, a total content of the lidocaine and the pharmaceutically acceptable salts thereof is 3 to 8% by mass relative to an entire mass of the adhesive layer, the adhesive layer further comprises oleic acid in an amount of 0.3 to 1% by mass relative to the entire mass of the adhesive layer, and a pH of the adhesive layer is 6.8 to 7.4.