Citric acid is a weak, natural acid that's commonly found in citrus fruits like lemons. It can be used as a natural ingredient in soaps to help create a better foam and for water softening. It is also used in bath bombs, combined with baking soda to create the wonderful fizzing effect. Citric acid is also a common ingredient in many natural cosmetics, as it can act as a pH adjuster and corrector, enhancing the stability of the products. If you enjoy making homemade soaps and cosmetic products, our food grade, fine granular citric acid will make a wonderful addition to your list of supplies.