What Is Lye?
Discover the role of caustic soda (NaOH) in cold-process soap making: saponification, safety, dosage calculations, and tips for getting started safely.
Learn to formulate your own natural soaps safely.
Discover the role of caustic soda (NaOH) in cold-process soap making: saponification, safety, dosage calculations, and tips for getting started safely.
How do you calculate the water needed for cold-process soap making? Discover three simple methods: oil percentage, concentration, and water-to-lye ratio.
Access our Google Sheets calculator + Oil PDF guide to formulate your soaps with zero errors.