The skin thins and loses elasticity, due to aging, gravity, smoking and sun damage, heredity and stress cause the skin to sag and wrinkle and the face to lose youthful contours. Deep folds develop between the nose and corner of the mouth (nasolabial folds). Jowls develop in the lower cheeks and jaw line and Marionette lines deepen. Loose skin and fat on the face falls to create a double chin, or turkey neck. Loss of facial fat pads cause a hollowed-out appearance.