“Soap” isn’t always the same product. Here we contrast slow-cured, glycerin-rich cold-process bars with supermarket soaps made by hot processing, glycerin removal and synthetic additives—covering methods, ingredients, skin feel and environmental load.

Curious why some soap takes six weeks to finish? This article breaks down the cold-process method step by step—trace, pour, cure—and explains how low-temperature saponification keeps natural glycerin and plant nutrients intact.