Formulations

Build soap recipes from the ingredient library, run recipe tests with cure reminders, size a recipe to a mold, and save templates.

5 articles

• Build a soap recipe in the calculatorBuild a soap recipe in Kerno's calculator and approve it for production. A formulation is the recipe behind a product: its oils, lye, water and additives…Updated October 28, 2026
• Share a recipe with a link or the Kerno communityShare a recipe through a read-only link you send to someone, or list it in the Kerno Soap Community, where other soap makers can start their own recipes from…Updated October 28, 2026
• Size a recipe to your moldLet Kerno work out how much oil fills your mold, then resize the recipe to match. Save the mold once and reuse it on other recipes and tests. Before you start…Updated October 27, 2026
• Test a recipe before you make stockMake a small test batch of a recipe and keep track of what went in, the cure and how it turned out. A test never changes your recipe, and it touches your…Updated October 28, 2026
• The ingredient libraryThe ingredient library holds the oils and additives your recipes are built from: the SAP values, fatty acids and soap properties of each oil, and the usual…Updated October 28, 2026