Dermal fillers are injectable substances used to restore volume, smooth lines, and enhance facial contours. Typically made of hyaluronic acid or collagen, they are injected beneath the skin to add volume, plump up areas such as the lips or cheeks, and reduce the appearance of wrinkles and folds. Fillers can also be used to contour the jawline, chin, and temples. The procedure is quick, with minimal discomfort and downtime, offering immediate results that can last from several months to over a year, depending on the type of filler used and individual metabolism.