Skin overgrowing under your skin: what causes it and how to treat it?

#1 – Signs of hyponychium thickening

This condition can vary: you can have hyponychium thickening is just one nail, in many or, sometimes, in all of them. Usually, the symptoms involve the skin (hyponychium) connected to the nail as it grows; white skin under fingernails (or pale); tenderness; and painful skin under fingernails.

What are the causes?
As you may have already guessed from the title, there isn’t just one cause for these nail abnormalities. This condition can have three different reasons: