Gender analysis is essential to understanding what creates feminine and masculine features on a given face. There are accepted differences between a male and female face, with a variety of divergent and distinct features that create an overall masculine or feminine appearance. Female facial shape tends to be heart shaped with rounded corners from the hairline that extend down to the chin area. The male face is more angulated, having an overall square form, with a more pronounced jaw and chin. Analysis of these hormone generated, gender dimorphic facial proportions is facilitated by dividing the face into thirds, but the entire individual face must be evaluated holistically. A detailed and deeply guided analysis that permits thorough understanding of the face enables the surgeon to successfully portray the patient’s desired facial sex characteristics.