Natural and sustainable Mediterranean Sea sponges, helping to protect our Ocean's fragile eco-system. Natural Sea sponges are very good for all types of skin, including sensitive skin. They contain minerals such as Potassium, Zinc, Iron, Sodium, and Magnesium. They also gently exfoliate your skin, removing dead skin cells. They contain a natural enzyme that blocks the growth of bacteria. Kind to the Environment Our sponges are responsibly harvested. Their bases are left intact which encourages reproduction, stimulates re-growth which often results in healthier sponges. All Sea sponges will degrade with use, regardless of type or brand. Please look after your natural sponge by every few weeks, soak your sponge in a cleaning mixture made from warm water and baking soda: one cup of water to 1 tablespoon of baking soda. If you have a large sponge, simply create more mixture. Let the sponges dry naturally in a well-ventilated area. You could hang them in a mesh bag to ensure they dry thoroughly.