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World War II nearly killed the first menstrual cup

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This modern, eco-friendly staple of the feminine care aisle actually made its grand debut all the way back in 1937. Invented by an actress named Leona Chalmers, the first commercial cup was made of heavy latex. Unfortunately, World War II broke out, causing a massive global rubber shortage and completely destroying her brilliant attempt to modernize personal care.

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World War II nearly killed the first menstrual cup
STACKY / Health
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