@@ashleycopeland6729 it depends on the soap and the glycerin content. The soaps used in this video have a lower glycerin content and must be very fresh to be able to slice them. It also needs to be heated in the microwave oven, otherwise it crumbles. This soap usually dries in a few days, maximum a week. Other soaps, with higher glycerin content, need more time. The drying time is also influenced by the humidity of the air in the house.