Excipients play an important role in formulating a dosage form. These are the ingredients along with active pharmaceutical ingredients. Make up the dosage forms. Excipients act as if other active pharmaceutical ingredients need to be stabilized and standardized. The following review briefly explains the standardization and stabilization process and the excipients' safety evaluation parameters. This article emphasizes the development of new excipients, different kinds of existing excipients, new grades of novel excipients, combinations of various excipients, and some new applications of existing excipients..