Free Tools & Guides
Soap Making Resources & Tools
Free reference tools and guides for soap makers, formulators, and aromatherapists.
Lye Calculator
Calculate exact NaOH and KOH amounts for any soap recipe. Supports multiple oils, superfat percentage, and water ratio.
Open →Saponification Chart
Complete NaOH and KOH SAP values for 40+ carrier oils. Sortable table, color-coded availability, direct links to available oils.
Open →Carrier Oil Guide
Compare absorption rates, comedogenic ratings, and best uses for carrier oils in soap making, skincare, and aromatherapy.
Open →Shelf Life Guide
How long do carrier oils last? Storage tips, rancidity prevention, and shelf life data for our entire oil catalog.
Open →INCI Names Reference
International Nomenclature Cosmetic Ingredient names for carrier oils. Quick reference for product label formulation.
Open →