Because alcohol can resist the melting, as the concerned method its not going to melt at 80-90 F /27-32 'C, so the resistance to heat is increased and the life span also increased as well.
it is glycerol.
it is primarily used as a filler in soap making
Yes, but it's useless for soap making. It indicates it's 50% alcohol solution ...
In the Soap making process there is a number of oils mostly vegetable and Animal based, that is used in the soap making process, that would include Palm Kernel Oil, Almond Oil, Olive Oil etc.
Rosin is most often used to make a mildly abrasive soap.
yeast turns the natural or added sugar in the making of a wine or a spirit into alcohol
Guava leave extract can be used for guava soap. To make this cleanser, the leaves need to be boiled to form an extract used in the soap making process.
it depends on the brand of soap and some don't use any chemical's
tallow
Soap requires two major raw materials: fat and alkali.
Soaps were generally used for cleaning clothes and for curing animal hides. The Romans used soap on their bodies as part of bathing, and they spread their soap making skills throughout Europe.
Sodium bicarbonate can be used as a neutralizing substance.