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Around one in five people have brittle nails, and it affects more women than men. Nails are made from layers of the protein keratin, placed on top...
Handling chemicals? Or do you spend a lot of time with wet hands, or your fingers immersed in water? You need to protect your healthy nails with...
Researchers think that taking biotin, or vitamin B7, could also be a useful way to tackle brittle nails. A Swiss study published in the journal...