Used as an antacid to neutralize stomach acidity and relieve heartburn and indigestion. Commonly found in over-the-counter medications for treating peptic ulcers and gastroesophageal reflux disease (GERD). Acts as an adsorbent in some antidiarrheal formulations. Employed as a flame retardant in plastics, rubber, and textiles due to its ability to release water when heated, suppressing fire. Serves as a filler and opacifying agent in cosmetics and personal care products like lotions and sunscreens. Used in water treatment to remove impurities and control pH. A precursor in the production of other aluminum compounds used in industrial processes.