UV stable transdermal therapeutic plaster

Disclosed is a transdermal therapeutic system (TTS) consisting of a backing layer, of at least one active ingredient containing matrix and optionally of a detachable sheet, and comprising a UV absorber, characterized in that at least one UV absorber-containing adhesive layer is provided between the backing layer and the active ingredient-containing matrix which is furthest away from the surface of the skin, at least one separating layer which is impermeable to the active ingredient and impermeable to the UV absorber is present between the adhesive layer containing the UV absorber and the active ingredient-containing matrix which is furthest away from the surface of the skin. The transdermal therapeutic system can be further characterised in that the sequence of layers in the system starting from the side facing away from the skin is backing layer, UV absorber-containing adhesive layer, separating layer and finally a mono- or bilayer active ingredient-containing matrix whose pressure-sensitive adhesive surface is covered by a detachable protective sheet.