What do toenail fungi attack?

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The fungi that are responsible for toenail fungus attacks under one’s toenail, slowly moving towards the structure of the nail. The main bad thing that these fungi do is that they eat the nail keratin, namely the part of the nail which gives it its strength and hardness.

Without the keratin, the nail comes to be soft, this being the reason why it becomes more and more fragile. All good toenail fungus treatment ought to contain substances able to restore the right levels of keratin, without keratin, the nail has no chances of recovering and of coming back to its original and healthy form.