Potassium Alum is a chemical compound that consists of potassium, aluminum, and sulfate. It appears as a white crystalline substance and is commonly used in various applications, including water purification, food processing, and as a baking ingredient. In cooking, it can help maintain the crispness of fruits and vegetables. In addition to its culinary uses, Potassium Alum is also found in personal care products, such as deodorants, due to its antibacterial properties. It has been used for centuries in traditional medicine and is known for its astringent qualities, making it useful for treating minor cuts and skin irritations.