Dark underarms are rarely a serious health concern and are often caused due to a skin condition known as acanthosis nigricans (AN) which thickens and darkens the skin. However, having dark underarms can be embarrassing if you want to wear a tank top or enjoy a day in the sun by the beach in your bathing suit.
from BrightSide RSS https://brightside.me/inspiration-girls-stuff/8-beauty-treatments-that-remove-dark-spots-under-the-arms-like-an-eraser-794082/
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