Soap is a difference. Understanding soap Industrial soap: soap tablets are mainly made of handmade soap: The main natural soap or vegetable oil soap cold :( natural plant ingredients) II. Soap ingredient is propylene glycol, sugar, olive oil, glycerin, coconut oil, Tempered (These are pharmaceutical grade) soap tablets with low animal oil, as well as chemical composition Tempered. Three. Technology Industrial soap: simple, generally 200 ° heating, then extruded through a machine Soap: heating soap, after complete dissolution, the material into the mill, natural cooling, full manual operation, so the appearance of pluralism, discuss people like cold soap: generally 40 ° -50 ° low heat, so that the reaction of vegetable oil and sodium hydroxide, followed by spontaneous cooling, because the low temperature heating remain completely natural ingredients, average 48 ° - 48 hours time monitoring saponification process - natural vegetable oil - forming discharge shade a month or so cold soap maturity is usually four weeks or so, a lot of soap just mature or be alkaline, so the best-before date is longer mature better (saponification and a weakened) Fourth, open flame heating: Industrial soap: black smoke, very smelly, soap, body heat will be black soap: will melt, drop by drop, cold white smoke soap: Basic is It does not drip, bubble, white smoke