This book is insight on the comprehensive review on Collodal dispersions. It includes 10 chapters with details on history, classification, characterization, preparations, purification, applications, stability , optical, kinetic and electrical properties of collodal dispersions. Each Chapter provide the thorough knowledge about the topic. This book is mainly emphasized on pharmaceutical colloidal dispersions as well as colloids in daily life. It is useful for the pharmacy and science faculty as well as students. "Books give a soul to the universe, wings to the mind, fly to the imagination and life to everything."-PLATO....