To provide a clean hand-wash tool which allows many working persons to clean their hands of stubborn dirty substances (chemicals, coal tar, adhesives, and agricultural chemicals) in a short time, and can be used many times a day to bring about no sequela.

The soap having the surface coated with granular diamond is used in combination with a detergent. Thus, the clean hand-wash tool is a body the inside of which is a vessel for containing a detergent. The body is furnished with a line on the front surface to give an elliptic and hollow concave so as to get tough, be easily grasped and has a widened scope of uses as daily necessities such as a rasp.