Learn how to make your own laundry soap with just 3 simple ingredients. This homemade powder laundry soap is an effective and ...

Bar soap and liquid soap are equally as effective, but bar soap creates more friction, which may be better at removing dirt or other debris.

Luckily, soap is water soluble, so just rinsing the bar reduces bacteria on it. And there’s nothing wrong with using it at home, where presumably fewer people (and their germs) will touch it. Still, ...

The research team suggests foam soap may be less effective than liquid soap because it comes out of the pump as a lather, whereas the liquid soap lather is built up in the process of hand washing.