Skin atrophy and pigmentation

Skin atrophy refers to the shrinkage of the elastic fibers of the skin caused by obesity, pregnancy, edema and other reasons. Pigmentation is a normal human body that contains endogenous pigments such as hemosiderin, lipofuscin, melanin, bilirubin. Charcoal dust, coal dust, and tattoo pigments sometimes enter the body. Under pathological conditions, some of these pigments will increase and aggregate inside and outside the cell. Called pigmentation.