The aesthetic appearance of the face has been of interest to man since ancient Greek times. Da Vinci defined the ideal face as one having three equal horizontal and five equal vertical portions. The lower third was defined into three separate divisions: subnasale station, storming-labiodental, and labiodental-gnathion. Furthermore, the golden ratio is important in analyzing subunits of the face. Several procedures can be performed on the face to establish the ideal appearance, either to counter aging, a malignant process, or accidents. Several procedures can be performed on the face to establish the ideal appearance, to counter either aging, a malignant process, or accidents. Loss of facial volume and skin sagging may cause an unhealthy and unwanted appearance. To restore facial volume, several biomaterials, such as hyaluronic acid, autologous fat tissue, and silicone, can be used.