Description of natural alum stone The virtues or properties of natural alum stone Natural alum stone has many benefits for the skin, including: - Purifies and cleanses the skin - Soothes irritations and redness - Regulates perspiration - Reduces body odors - Promotes healing The characteristics and uses of natural alum stone Natural alum stone is a natural mineral extracted from natural deposits. It is often used as a natural deodorant but can also be used to soothe insect bites or skin irritations. It is also used in the manufacture of cosmetic products.