Shabondama soaps from Japan incorporate EM Technology in their formulas. The materials are high quality natural oils and fats, and caustic soda. Additives, such as perfume, bleach and moisturizer, are not used at all. In addition, the company adopts the saponification method, which many soap manufacturers use (the method in which oils and fats are first decomposed into fatty acids and glycerin, and alkali is added to the fatty acids to produce soap, taking only 4-5 hours… The process of reaction and maturation for making soap, which takes one week to 10 days, is called saponification. Synthetic detergents contain a lot of chemical compounds, such as synthetic surface-active agents, fluorescent whitening agents, zeolite (aluminum silicates), salts of edetic acids (sequestering agents), etc…”