what is dehydroacetic acid
From Skinfopedia. Dehydroacetic acid is an odorless, white powder used in the cosmetic industry as a preservative in some adhesive and cleaning products.As a preservative, dehydroacetic acid stops the reproduction and growth of bacteria and fungi that shorten the life of a product and make it unsafe to use.rom Skinfopedia. Dehydroacetic acid is an odorless, white powder used in the cosmetic industry as a preservative in some adhesive and cleaning products.