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Fun fact about Toothpaste

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 In 1850, toothpaste was sold in jars. People had to use their fingers or a brush to apply it, unlike today's convenient tubes.     The first commercially produced toothpaste, called "Colgate," was introduced in 1873. It was sold in jars as well.   Today, astronauts use specially formulated toothpaste that doesn't require rinsing or spitting in the zero-gravity environment of space.   Dental Floss:   Floss was originally made from silk, which was expensive. In 1882   Flossing once a day can remove up to 80% of plaque, according to dental experts, but it's still one of the most neglected oral hygiene practices.   Mouthwash:   Listerine, a well-known mouthwash brand, was originally developed in the late 19th century as a surgical antiseptic. It was later marketed as a mouthwash in the 1910s.     Before mouthwash became widely available, people used various homemade rinses, including mixtures of urine and ...