These are conditions in which a white, cheese-like material appears under the nail and the nail itself may crumble. Conventional treatment requires you to use anti-fungal preparations. If you want to try natural approaches, you can bathe the nail in a calendula solution, eat more natural yoghurts as well as brewer’s yeast. This problem usually occurs when the skin under the nail is wet or damp for too long.
Brittle nails may be the result of a weakness in your digestive processes and you may try a teaspoon of apple-cider vinegar before each meal