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(2) Q: Why does it take so long to rinse the soap off my hands?
A: The terms "soft water" and "hard water" are important here. Water is said to be soft if it has a low concentration of calcium and magnesium ions in it, and hard water has a high concentration of calcium and magnesium. If you use soft water, the ions react with the soap you use to produce a residue that feels like it is hard to wash off. If you use hard water, you also will have a harder time working the soap up into a lather. Hard water is prevalent in some parts of the country, and sometimes water-softening chemicals that reduce the amount of calcium and magnesium are added to the water.
Find out more about hard water from the www.hardwater.org
Bathing with soap in hard water leaves a film of sticky soap curd on the skin. The film may prevent removal of soil and bacteria. Soap curd interferes with the return of skin to its normal, slightly acid condition, and may lead to irritation. Soap curd on hair may make it dull, lifeless and difficult to manage.
Hard Water Information
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