Why Are Toenails Brittle?

Caused by exposure to infected surfaces, such as gyms, pools, or the aforementioned sweaty shoes, fungal toenails cause brittleness, in addition to discoloration, thickening, crumbling, and even warping of the nail.

How do you fix brittle toenails?

If the toenails look dry, cracked and brittle from long-term polish use, you can apply a vitamin E oil or lotion, rubbing it gently into the nail and cuticle to moisturize them. Allow it to absorb and dry fully before wearing shoes.

What deficiency causes brittle nails?

- A deficiency in B-complex vitamins, especially biotin, will produce ridges along the nail bed. - A diet lacking in calcium contributes to dry, brittle nails. - A lack of folic acid and vitamin C can lead to hangnails.