A significant bowl or basin of warm, soapy drinking water may be used to exfoliate the feet and arms by using a pumice stone. A pumice stone can be used over the rest of the human body and face from the shower or bathtub. There are 2 kinds of exfoliation: https://edenproductsltd.co.uk/2025/04/17/the-history-of-pumice-stone-from-ancient-civilisations-to-modern-day-uses/