Bar Soap «FULL · Method»

At its core, bar soap is a product of , a chemical reaction where fats or oils (from plants or animals) are mixed with a strong alkali , typically sodium hydroxide (lye). This process creates molecules that are uniquely amphiphilic —meaning they have both a water-attracting (hydrophilic) end and a water-repelling (hydrophobic) end.

In recent years, bar soap has seen a resurgence as consumers prioritize choices. bar soap

: 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. At its core, bar soap is a product

: Despite its "green" reputation, bar soap can be more water-intensive to use in certain regions, as users often draw about 30% more hot water during the lathering process compared to liquid soap users. : The hydrophobic end attaches to oils and

: Traditional bars often have a carbon footprint at least 25% smaller than liquid soaps, largely because they require far less plastic packaging and no heavy pumps.