When an individual develops peripheral arterial disease (PAD), they experience a reduction in the amount of blood that flows to their legs. Sometimes, it may occur due to a build-up of fatty deposits within the walls of the arteries. 
“Signs of PAD can include decreased hair growth on the feet and ankles, purplish toes, and thin or shiny skin,” said Dr. Suzanne Fuchs, a podiatric surgeon at the North Shore University Hospital in New York.