Also known as Cream of Tartar, this white crystalline organic acid is commonly found in grapes, bananas, and other citrus fruits. In the food industry, it is used in desserts like jams, jellies, gelatin etc. Tartaric acid is known to contain antioxidant properties and has become a common ingredient in skincare formulas due to its astringent and keratolytic properties. It stimulates metabolism, helps in anti-aging, skin moisturising, and it promotes healing.