Soap Making Guides
Practical guides for home soap makers — from first-batch basics to oil selection and safety. All free, no signup.
Beginner's Guide to Cold Process Soap
Equipment, a starter recipe, the step-by-step process, and the most common beginner mistakes — everything you need for your first batch.
Lye Safety Guide
How to handle NaOH and KOH safely — PPE, safe mixing rules, what to do in an emergency, and proper storage and disposal.
Best Oils for Soap Making
What every common soap oil does — coconut, olive, castor, palm, shea, and more — and how to balance a recipe that's hard, conditioning, and lathers well.
What Is Superfat in Soap Making?
What superfat means, the ideal percentage range for cold process bars, facial bars, and shampoo bars, and which luxury oils to add at trace for maximum conditioning.
Free Calculators
Pair these guides with our free calculators to build and test your recipes:
- Lye Calculator — exact NaOH or KOH amounts for your oil blend
- Fragrance Calculator — fragrance amounts by usage rate
- Batch Scaler — scale any recipe to your batch size
- Cost Calculator — per-bar cost for pricing your soap