Summary: the deeper layers of the dermis (the second layer of the skin) lose their strength, allowing the skin to sag and wrinkle. Frequent or excessive sun exposure greatly accelerates the problem. Chemical skin peeling frequently can restore some of the elasticity by penetrating to the dermis and microscopically tightening the elastic fibers to give the skin a smoother, more youthful
Image Dimensions: 218 x 152
Image originally found here.