
Katherine Ashenberg
Author of The Dirt on Clean: An Unsanitized History, appearing on the episode to provide a historical perspective on bathing and hygiene practices.
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Oct 29, 2025 • 46min
How often do you actually need to shower?
Katherine Ashenberg, author of The Dirt on Clean, and Dr. Lisa Acintillo, a board-certified dermatologist, dive into the fascinating world of showering. They explore historical bathing practices and how societal views on cleanliness have shifted. Dr. Acintillo shares insights on when to shower based on activity levels, the science behind body odor, and the ideal length for showers. The duo also discusses whether washing your legs is necessary and the benefits of using gentle cleansers, making for a delightful and educational listen.


