The nails of hands and feet are translucent sheets on top of the fingers and toes. Sometimes it can change color. The discoloration of the nails can have different causes.
The nails are formed of a keratin layer that protects the external environment, if for some reason this is disturbed keratin layer nail product is impregnated environmental and stained dark.
On this site we will see a video as we clarified in a single session with a totally Helios Laser stained nails.
Another cause staining of the nails occurs in patients who have tic fingernail rubbing against each other, this produces an irritant effect which leads to hyperpigmentation, dark stain your nails.
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