Facial aging is a multifactorial process. Physiological and morphological changes occur in the entire skeleton and tissues composed of bones, ligaments, muscles, fascia, fat, and skin. Changes in the face occur at different rates, in addition to differences in terms of age and ethnicity. 1 The layer arrangement concept is a new way of understanding the spatial relationships and interconnected functions of facial tissues.Understanding the layers and the precise location of the superficial and deep fat compartments of the face and their limits is crucial for