Public restrooms replaced bar soaps with liquid soap after studies in the 1960s found that bar soaps were often contaminated with bacteria. Bulk soap dispensers usually have a simple hinged lid or ...

Nathalie Stämpfli's "Soap Flakes" dispensers fix this. They shave bars of soap into soap flakes, which are quick to foam, and the dispensers are hard to drop.

A team of engineers at a design company recently released instructions for a DIY soap dispenser that plays 20 seconds of music while you wash your hands. The gadget, called Scrubber, requires 4 ...

When you’re done with the soap, you take it out and toss it into your recycling bin. “Even when you put plastic in the recycling, only a small fraction of it—less than 10%— actually ends ...