Fatty acids into the soap pot first, using direct fire or steam heated to 81 ℃, so melting. Caustic potassium and sodium are soluble in water, made of lye, stirring the pot is melting side of the fatty acids, side by adding caustic soda lye, stirring with a constant speed to the soap into a thick gel, the surface smooth and full length show. Saponification time completely, reducing cooling to 62 ℃, such as to add spices, adding that at this time, mix well, pour into the prepared soap box, put it aside for a second day, as soon as it solidified.
