: The hydrophobic end attaches to oils and dirt, while the hydrophilic end binds to water. When you rinse, the water pulls the soap—and the trapped grime—away with it.
: The physical properties of the bar depend on the ingredients; for instance, coconut oil creates a hard, highly soluble bar, while olive oil results in a softer, gentler product. Sustainability and the Environment bar soap
Beyond its function, the bar of soap is an "artifact of time and process". A worn bar becomes a small, unintentional sculpture shaped by the specific hands that used it. Bar Soap - The Pennsylvania Gazette : The hydrophobic end attaches to oils and