The right amount of soap to start with would be about 1 part in 10,000.
In the evening John asked me for a piece of soap.
Together with oil, it was an early form of soap.
The boys won the challenge because they used much of their soap.
Someone else has to use that bar of soap on her face.
Then she stood and reached for a bar of soap.
No amount of soap and water would clean it off.
Then I might get a couple of little soaps or something.
Soon she was shipping cases of soap off to Iraq.
She had a bar of yellow soap in her hand.