The word can be employed synonymously with "volcanic ash." It is actually mined from volcanic ash deposits, or it could be made by crushing rock pumice. As you’re soaking your skin, also soak your pumice stone in heat water. In no way utilize a dry pumice stone on your skin. https://edenproductsltd.co.uk/2025/04/17/the-history-of-pumice-stone-from-ancient-civilisations-to-modern-day-uses/