Topical corticosteroids form the mainstay of a large amount of treatments for dermatological dieases. The act mainly be decreasing the immune system and preventing the immune reaction that occurs against an insulting agent or a self-antigen. By stopping the immune sysytem, topical corticosteroids, prevent the formation of the four signs of inflammation: redness, pain, warmth, itchiness, and swelling, which are present in the majority of skin diseases.