What is Cold Process Soap?
- KKAIYO Bath Essentials

- Jul 29
- 1 min read
Cold process soap is a handmade soap created by mixing Oils and / or Butters with a sodium hydroxide (lye) solution. This chemical reaction, called saponification, happens naturally without external cooking heat.

Just as hydrogen and oxygen chemically bond to create water H2O; oils or butters react with an alkaline solution (lye) in a process called saponification to create soap.
The liquid mixture is poured into molds, cut into bars, and cured for 4 to 6 weeks
Key Features
Natural Glycerin: Retains all the natural glycerin produced during saponification, making it very moisturizing.
Full Customization: One can choose specific plant oils (like olive, coconut, or castor oil), scents, and colors.
No Harsh Detergents: Free from synthetic surfactants, sulfates, or artificial preservatives found in commercial bars




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