A solid transdermal therapeutic system with UV 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 the at least one active ingredient-containing matrix. The UV absorber comprises at least one hydroxyphenyltriazine compound and is embedded in the backing layer with minimum concentration, in the at least one active ingredient-containing matrix, or in the adhesive layer. ACTIVITY : Antiinfertility. No biological data given. MECHANISM OF ACTION : None given.
