Cosmetic or dermatological sunscreen preparations containing flavone derivatives and / or flavanone derivatives, in particular flavonoids and benzotriazole, and the use of UV filter substances having the structural motif of benzotriazole for stabilizing flavone derivatives and / or flavanone derivatives, in particular flavonoids

Active substance combinations containing benzotriazole derivatives and one or more cosmetically or pharmaceutically acceptable flavone derivatives and / or flavanone derivatives, in particular flavonoids, or the use of benzotriazole derivatives for stabilizing cosmetically or pharmaceutically acceptable flavone derivatives and / or flavanone derivatives, in particular flavonoids, or the use of benzotriazole derivatives Preventing the yellowing of cosmetic or pharmaceutical preparations containing flavone derivatives and / or flavanone derivatives, in particular flavonoids.