Investigation 1
Homemade Soaps
In the frontier days everyone made his or her own soap. They made it from lye and the waste fat of animals. They would boil it on an open fire. Many sites on the Internet describe how to make your own soap at home. Select Keyword SOAP to investigate the history of soap making.
Investigation 2
Soap Industry
There are many additives that are part of the soap we use everyday. Most are surfactants and builders that are added to improve the cleansing ability of the soap and detergents. Investigate the various types of additives by selecting Keyword SURFACTANTS.
Investigation 3
Animal Testing
There has been a lot of controversy regarding animal testing of cosmetics. The Food and Drug Cosmetic Act does not require animal testing before a new cosmetic is put on the market. The Food and Drug Administration does require that companies make sure that there are no toxicological side effects in their formulations. Select Keyword ANIMAL TESTING to look at sites that discuss the types of testing that are performed on animals.
Investigation 4
Shampoos
There are many different companies that produce shampoos and conditioners for your hair. They all use similar chemicals to achieve the same results. Select Keyword SHAMPOOS (this link takes you to many different sites) to investigate various shampoo companies. Look up the contents of the shampoo you currently use and compare it to another company's composition.
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