In the winter, your days are spent going from a 70-degree indoor environment to a cold, below-freezing outdoor environment. And with the changing temperature comes varying levels of humidity. Just like your body temperature adjusts to these dramatic temperature fluxes, so do your nails. “The water content of the ambient environment is in flux, and so is the water content of our nails,” says Dana Stern, M.D., a New York City-based dermatologist who specializes in nails and nail disorders. This which causes the same type of strain and weakening that water exposure does. This winter, make sure to keep your nails short to minimize surface area where water and chemicals can be absorbed.
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