Many rapid developments have taken place in the area of perl gloss pigments since the late 90s. Today, the commonly used term for perl gloss pigments is special effect pigments. The book describes the changes of the special effect pigments, regarding their characteristics, manufacturing processes and application types. Furthermore, it gives an overview of the areas “colour metrics for special effect pigments” and “application of the decorative and maintaining cosmetic”. It is particularly meant for colour designers, application technicians and product developers in the field of lacquers, plastics, printing inks and cosmetics. Moreover, representatives of the Marketing and Sales sector will find useful information on special effect pigments for their daily practice.