SoapLab guides
Guides for soap makers
In-depth articles on chemistry, safety, and practice—written to pair with our free calculators.
All guides
- What Is Lye in Soap? NaOH, saponification, and why finished soap is safe—plain-language basics for cold process and hot process makers.
- Cold Process Soap Guide CP method, step-by-step workflow, beginner recipes, lye water safety, and curing—paired with SoapLab calculators.
- How to Make Soap (Beginner) Soap making basics, DIY paths, ingredients, and an easy step-by-step mindset—plus links to calculators and CP/lye guides.
- Soap Recipe Formulation Oil percentages, ratios, soap design, fatty acid balance—how to formulate a recipe and use SoapLab’s formulation calculators.
- Best Oils for Soap Making Handmade soap oils, olive vs coconut, properties, carrier-oil terminology—pair with fatty acid, hardness, and lather tools.
- Soap Curing Process Why soap needs curing, how long to cure, water evaporation, hardness, and drying tips—plus SoapLab water and hardness calculators.
- Soap Water Ratio Explained Lye water ratio, water discount, concentration, trace and batter thickness—paired with SoapLab water and lye tools.
- What Is Superfat in Soap? Superfat meaning, percentage, how much to use, conditioning vs excess oil—links to superfat and soap calculators.
- Soap Quality Chart Explained INS, hardness and cleansing/conditioning values, what calculator numbers mean—quality vs lye math, fatty acid context.
- How to Improve Soap Lather More bubbles, troubleshooting flat lather, bubbly vs creamy, coconut and sugar—links to lather and sugar calculators.
- SAP Values Explained What SAP means, NaOH tables, saponification, and lye calculation—SAP value calculator and soap calculator links.
- Soap Additives Guide Fragrance, color, sugar, salt, milk, acids—what to track and which SoapLab calculators match common additive workflows.
- Essential Oil Safety in Soap Usage rates, IFRA context, fragrance vs EO, skin safety—essential oil and fragrance calculator links.
- Soap Batch Size Guide Mold capacity, scaling recipes, mold size and yield—batch size, mold, scaling, and yield calculator links.
- How to Price Handmade Soap Pricing formula, cost per bar, margin, wholesale and business costs—SoapLab cost, pricing, profit, wholesale calculators.