Soap is useful in removing dirt and sweat from the skin. Many people use it as part of their daily hygiene routine. It can be fun and economical to make mild soap. You can also choose the scents and ingredients that you prefer. Soap also is defined as oil or fat mixed with an acid. The oil is made from animal or plant oils, and the alkali is chemically known as lye. The lye in bar soap-making is sodium hydroxide. Liquid soap requires potassium hydroxide. Soap is made by heating oil and lye together and then heating them. To read further buy a copy……..