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What causes white unraised horizontal lines on fingernails?

In: Symptoms, Medical Fields [Edit categories]

Answer:

The white area in fingernails and hair are caused by air. That's also why snow is white and not blue. Little bumps and bruises that are done to the bed of the nail cause these imperfections.

First answer by Dwmattes. Last edit by Dwmattes. Contributor trust: 80 [recommend contributor ]. Question popularity: 17 [recommend question].

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Relevant answers:

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