Sodium Dehydroacetate Good Preservative No known benefits Sodium Dehydroacetate description Sodium dehydroacetate is an organic salt used in low amounts as a preservative to prevent formulary spoilage. CosmeticsInfo.org, Accessed March 2021, ePublication Cosmetic Ingredient Review, December 2014, ePublication Journal of the American College of Toxicology, 1985, pages 123-159