Cold Process Soap Making. Step-by-step instructions for Cold Process Soap Making. Cold Process Soap Tutorial (with swirls): Contributed by: Waters Gulch. There are three main types of soap making. Melt and Pour soaping involves melting a premade base and being creative with color and fragrance.In Hot Process soaping, you cook the ingredients all the way through the process, adding heat to speed the reaction.here are three main types of soap making. Melt and Pour soaping involves melting a premade base and being creative with color and fragrance. In Hot Process soaping, you cook the ingredients all the way through the process, adding heat to speed the reaction.