Yeah! Washing hands using any form of soap is enough to cleanse your hands. For centuries, humans have used soap to kill bacteria. Besides, sebum (oil) is a common, occurring substance. It softens and shields your skin from the environment.  Germs are both beneficial and harmful. It prefers to stick to oily surfaces. Thus, they prefer to stick to the oils on our skin. It's tough to eradicate these bacteria whenever we clean using water. But, when you include soaps in the mixture, it's a unique thing altogether.