Manuel S. Barbeito
Manuel S. Barbeito is a microbiologist known for his pioneering research on the microbial content of human beards. His notable study in 1967 involved spraying beards with bacteria and observing their persistence even after washing, contributing to the ongoing discourse about hygiene and facial hair.
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In a 1967 study, microbiologist Manuel S. Barbeito and his colleagues sprayed participants' beards with bacteria and found that they remained even after washing with water and soap.
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