Learn How to Make Homemade Soap - The Spruce Crafts
It also involves using lye, which is a caustic substance. To make cold process soap, you'll heat your choice of oils in a soap pot until they reach approximately 100 degrees Fahrenheit. Then, you'll slowly add a lye-water mixture and blend the soap until it thickens to trace. After the mixture reaches trace, add fragrance, color, and additives ...
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