Propyl gallate (E310)
Propyl gallate is a white crystal powder used to prevent oxidation and stave off spoilage of fats and oils—so it’s used as a preservative in food, cosmetics, and pharmaceuticals. Some studies have linked propyl gallate with male infertility and cancer, but it isn’t yet banned in the US or EU. Looking to ditch the propyl gallate in your cosmetics, too? Check out our article on natural cosmetics.