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Hair is made of a protein called keratin. A number of types of chemical bonds hold keratin molecules together, but it is disulfide bonds that are mainly responsible for hair's strength
http://www.ehow.com/about_4597030_what-active-ingr...
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Hydrochloric acid is added to toilet bowl cleaners to remove stains and create a sparking finish on the toilet bowl. Hydrochloric acid is highly corrosive; however, and requires great
http://www.ehow.com/list_6913473_active-ingredient...
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Mothballs must be placed in a garment bag or other sealed container; trash bags are not acceptable. The clothes being stored with the mothballs must not be stored in an open closet
http://www.ehow.com/facts_5782973_active-ingredien...
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Borax has a variety of applications, from detergents to ceramics. It's an ore of boron made up of sodium, boron and oxygen atoms, plus water molecules, which are generally called
http://www.ehow.com/facts_5904727_active-chemical-...
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