For skin with calluses or hyperkeratosis. Benefits of the exfoliating solid soap: It is highly recommended for treating various skin conditions such as psoriasis or hyperkeratosis. Removes calluses from elbows, knees, feet, and hands. Achieves a gentle exfoliation like soap and effective like pumice stone. Has anti-aging function and leaves the skin prepared for better hair removal. How to use: use in contact with water. You can rub it in your hands, although for better exfoliation it is ideal to do it directly on the body. Leave the foam with pumice stone granules on the skin for a few moments before rinsing. Storage: for the best preservation and longevity of the piece, keep it dry between uses in a soap dish with drainage. We recommend storing the antioxidant solid soap in the 100% biodegradable loofah soap dish.