TATIANA AYAZO/RD.COM, SHUTTERSTOCK

 

Fact: Kleenex tissues were originally intended for gas masks

 

When there was a cotton shortage during World War I, Kimberly-Clark developed a thin, flat cotton substitute that the army tried to use as a filter in gas masks. The war ended before scientists perfected the material for gas masks, so the company redeveloped it to be smoother and softer, then marketed Kleenex as facial tissue instead.

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