Health
Why pumice stones are born in volcanoes
HERE’S THE INTERESTING PART
That rough little gray block sitting on the edge of your tub has a remarkably violent origin story. Pumice is created when super-heated, highly pressurized rock is violently ejected from a volcano, cooling so rapidly that it traps tiny gas bubbles inside. We took this intense geological phenomenon and decided its best possible use was scraping tough calluses off our feet.
One discovery leads to another.
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