The fat layer of skin is located in the subcutaneous layer of tissue called the hypodermis. The thickness of the fat layer, which varies greatly from one person to another, depends on the size and number of fat cells.
Review Date 10/8/2018
Updated by: Linda J. Vorvick, MD, Clinical Associate Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.