DIY soap making methods are also divided into two types, the hot method and the cold method. Hot-made soap is generally ordinary essential oil handmade soap; while cold-made soap is called cold-made soap. Soap; their cycle from raw materials to production methods is completely different, it can be said that they are worlds apart. Essential oil soaps are mostly translucent and colorful and beautiful to make quickly; cold-processed fat soaps take a long time to make and are not fancy.