What type of process results in exfoliation?

Exfoliation is primarily the result of mechanical or chemical processes that remove the outermost layer of a material, such as skin or rock. Mechanically, it can occur through physical abrasion, weathering, or thermal expansion and contraction, while chemically, it involves reactions that break down bonds in the material, allowing layers to peel away. In geology, exfoliation often refers to the peeling of rock layers due to temperature changes and other environmental factors. In skincare, exfoliation helps to remove dead skin cells, promoting a smoother and healthier skin appearance.