Shampoo pooh-pooh - 02 September 2009 - New Scientist

Shampoo pooh-pooh - 02 September 2009 - New Scientist: "have just read the label on my shampoo bottle. The list of ingredients is mind-boggling. How on earth did anyone come up with such a complex concoction and what exactly are chemicals such as sodium diethylene-triamine pentamethylene phosphonate and hydroxyisohexyl 3-cyclohexene carboxaldehyde doing to my hair?"