Mrs Martin's Microbes and More range of household cleaners use only indigenous South African strains of Bacillus microbes to do the cleaning. These intelligent detergents continue cleaning long after you have hung up your cloth and emptied your bucket. By the way, the microbes in that water flushing down the drain also works to remove nitrites and nitrates from the waste water all the way to our beautiful dams. Every other ingredient in the detergents break down in less than 28 days and is low VOC so that you know you are doing no harm to yourself or the environment.