Alum stone is a mineral naturally present in various parts of the world. NAJEL alum powder is obtained from alum crystals extracted from natural alunite quarries. The crystals are reduced to powder by an alum stone processor in France. Alum powder has antibacterial properties to prevent the formation of bacteria responsible for unpleasant odors. A perspiration regulator, it is used to make natural deodorant and it prevents the formation of fungi. Its astringent properties are also recommended for skin prone to acne. NAJEL recommends it for foot care, diluted in the warm water of afoot bath or sprinkled inside your shoes to eliminate unpleasant odors. It may also be used as an after-shave treatment. Application 1. Foot care spa at home! - to keep your feet soft & protected Step 1. Soak them in a bowl of warm water with 2 tbsp of alum powder for 10-20 minutes. Step 2. Once the skin has softened, use the Najel pumice stone to remove rough skin. Step 3. Rinse and dry your feet Step 4. Moisturize them with butter, lotion or body milk for soft, supple skin. Repeat regularly for soft feet! 2. Foot care for shoes! Sprinkle your shoes or your feet with Najel alum powder before putting on your socks & shoes. This application is recommended in shoes that are worn with bare feet in summer. Content: 150g Made in France Ingredients: potassium alum. 100% natural origin of total.