In appearance, citric acid resembles crushed white granulated sugar. It is naturally found in many acidic fruits, for example, citrus fruits. Gives sourness to marinades, pastries and confectionery. Due to the content of a large amount of vitamin C, it increases immunity, improves digestion, removes toxins, cleanses the body. "Limonka" is a composition that prevents oxidative processes, it prevents the appearance of a bad smell and harmful microorganisms in food. As a cosmetic product, it has the property of lightening and softening hair, is added to skin masks with a whitening effect. The product cleans surfaces well and destroys pathogenic bacteria.