Damp the pumice and rub it towards the skin applying light, small strokes with no triggering pain. Circular or sideways strokes are very best. Don’t press far too tricky, or you would possibly induce redness or irritation. ① NATURAL VOLCANIC LAVA: This Pumice Stone is constructed from natural volcanic lava, https://edenproductsltd.co.uk/2025/04/17/the-history-of-pumice-stone-from-ancient-civilisations-to-modern-day-uses/