Chemical soap is mainly produced in batches. In order to allow the soap body to remove more bubbles, forget to add a large amount of foaming agent. In order to make the soap body more durable, some preservatives are added, but these chemicals are for us. The skin does not help, and slowly puts the skin in an alkaline state, making the skin slowly become rough. Handmade soap is handmade, mainly based on soap and glycerin, as well as stearic acid, glycerin and cholesterol in natural oils. These ingredients can alleviate the alkaline stimuli in the soap body, while also cleaning the skin. Protects the skin.