Have you ever picked up a bar of store-bought soap, read the ingredients, and wondered what half of them even are? If you’re trying to avoid synthetic fragrances, preservatives, or harsh detergents—or ...

What’s the most sustainable way to wash your hands or lather up in the shower? In general, the greenest option is an old-school bar of soap made from plant oil or animal fat and lye, without many ...

Bar soap has a rich, alluring history — the earliest recorded recipe was found on a tablet in ancient Babylon, dating from 2200 BC, which consisted of three basic ingredients: water, an alkali (also ...

Purchases made through the links above may earn us and our publishing partners a commission. When was liquid soap invented? Liquid soap is not a modern invention. A crude form of liquid soap using a ...