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The Chemistry of Beauty 3

Chemistry plays an important part in the creation of cosmetics.  Chemists research new products, many times testing them on animals to ensure that they are not harmful.  Even with careful controls, people sometimes have allergic reactions to products.  Check out the following articles, each written by a woman chemist. (Just click on the picture or on the words "Lipstick" and "Haircolor".)  

 

LIPSTICK

 
HAIRCOLOR

 

Now check these sites out for some pros and cons on lipstick:

           PRO - Snopes  
The internet debunker site
    
     CON - Wired Magazine 
The alternative tech magazine

Which site is more valid?  Which has the best argument?  Who do you believe?   Hair coloring may also be problematic as this blog on allergic reactions by teenagers dying their hair shows.

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