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 ...

This iconic cake of soap invented almost 150 years ago, has become a part of Americana largely by advertising its two strange merits: "It Floats" and its "99+44⁄100% Pure."The original product is a no ...

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 ...

If you’re a fan of liquid soap for hand-washing and prefer to use body wash in the tub and shower, bars of soap may seem quite old-fashioned. And you may be surprised to learn that good old bar soap ...