Soap-making is a time-honored craft, blending art and science to create a versatile and essential product. While traditional soap recipes typically call for fats or oils, water, and sodium hydroxide (lye), incorporating sodium silicate offers unique benefits such as increased durability and enhanced cleaning power. This comprehensive guide will walk you through the process of making soap with sodium silicate, covering everything from the basics of soap chemistry to safety considerations and step-by-step instructions.