Scar formation is the process by which the normal healing of a wound or injury results in the formation of scar tissue. This tissue is made up of collagen fibers that help to close the wound and protect the underlying tissues. However, scars can be unsightly and may cause discomfort or limitations in movement depending on their location. Researchers study scar formation to better understand the cellular and molecular processes involved, as well as to develop new treatments and interventions to minimize scarring and improve wound healing outcomes. This research area often involves studying the role of inflammation, fibroblast activity, and extracellular matrix remodeling in scar formation.