SUPPORT POUR TIMBRE TRANSDERMIQUE COLLANT OU PRODUIT PHARMACEUTIQUE COLLANT, ET TIMBRE TRANSDERMIQUE COLLANT AINSI QUE PRODUIT PHARMACEUTIQUE COLLANT METTANT EN ƒ；UVRE CELUI-CI
The present invention provides a transdermal patch or a transdermal preparation in which anchoring to a support body of an adhesive layer is improved without negatively affecting adhesive properties such as adherence, adhesiveness, and cohesiveness. The support body of the present invention is a support body for a transdermal patch or transdermal preparation provided with a plastic film-containing substrate, and an undercoat agent layer layered on the substrate, wherein the undercoat agent layer contains porous inorganic particles having a mean particle size of 1 µm to 15 µm. This transdermal patch or transdermal preparation is provided with the support body and an adhesive layer arranged so as to be adjacent to the undercoat agent layer on one surface of the support body.
