Volumetric rejuvenation: general concepts.

Volume restoration has become a cornerstone in facial rejuvenation. This article focuses on the aesthetic concepts of volume loss and how to restore volume to mimic nature. The concept of evolving facial shape from a circle, to an upright triangle, to a square, to an inverted triangle is covered. Little model of the inverted egg shape is also proposed. The benefit of restoring an outer facial frame, periorbital frame, and perioral frame is elaborated. Lip volumization is also briefly covered. Finally, understanding the role of highlights and shadows on the impact of aging is addressed. Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.