Hi...........
you have problem of brittle nail that may be because of menopausal problem.
In
menopause oestrogen hormonal level reduced.That cause brittle nail.
Oestrogen have great role in water regulation.Because of oestrogen level decrease it cause dry and brittle nail.
Some nutrition deficiency like
vitamin c , iron , biotin,
folic acid.....etc may cause brittle nail and dry nail also.
In menopausal deficiency of vitamines cause this brittle nail problem also.
Brittle nail may be because of aging .
More moisture condition like swiming , dishwasher ....face this type of brittle nail problems.
HYPOTHYROIDISM may cause brittle nail.So do thyroid function test for diagnosis.
Onychoschizia cause splitted or brittle nail.
Infection of nail may cause brittle nail problem.
I hope my guidance will help you.
THANKS.