Reference Terms
from Wikipedia, the free encyclopedia

Soap

Soap is a surfactant cleaning compound used for personal or minor cleaning.

Soaps are useful for cleansing because soap molecules attach readily to both nonpolar molecules (such as grease or oil) and polar molecules (such as water.

Note:   The above text is excerpted from the Wikipedia article "Soap", which has been released under the GNU Free Documentation License.
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May 25, 2015

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updated 12:56 pm ET