Aluminum Chloride is a chemical compound made up of aluminum and chlorine, with the formula AlCl3. It appears as a white or yellowish solid and is highly soluble in water. This compound is commonly used in various industrial applications, including the production of aluminum metal and as a catalyst in chemical reactions. In addition to its industrial uses, Aluminum Chloride is also found in some personal care products, such as antiperspirants. It works by blocking sweat glands, reducing perspiration. However, it can cause skin irritation in some individuals, so it's important to use it as directed.