摘要 |
A transdermal or topical plaster system with a backing layer, with an active ingredient-containing and self-adhesive matrix based on crosslinkable polyacrylate as base polymer and with a removable protecting film is characterized by an at least two-layer matrix with a degree of crosslinking of the layer facing the skin which is appropriate for adequate adhesion to the skin thereof and is lower than the degree of crosslinking of the layer or layers on top thereof. |