The problems of being dry

Not sure what happened but because of the shoes
I am wearing, it caused the bog toe's nails to have
a double layer since 2001. So, when I 'itchy' finger
peeled off the first layer, some other parts of the
toe nail will come off. Its dry so, its more like its
very 'brittle'. See the small part left in the cavity?
Its going to hurt when I poke it out.