A solid transdermal therapeutic system with ULTRAVIOLET RADIATION absorber comprises at least three layers comprising a backing layer, at least one active ingredient-containing matrix and a detachable protective film. Optionally an adhesive layer and a separating layer are present between the backing layer and at least one active ingredient-containing matrix. The ULTRAVIOLET RADIATION absorber comprises at least one hydroxyphenyltriazine compound and is embedded in the backing layer with minimum concentration, in at least one active ingredient-containing matrix and or in the adhesive layer. - ACTIVITY: Antiinfertility. No biological data given. - MECHANISM OF ACTION: None given.