Walking through the halls at school, I've seen many people with very eccentric colored hair. From black to electric green and streaks to spots, I have seen just about all of there is to see. Being in Europe, one of the most fashion forward and of latest trends capitol of the world, next to China, I witnessed some of the most outrageous hair dying jobs. This soon gave me reason to wonder. Is all of that dye actually good for your hair? So, this year for science fair, I decided to break this question down a bit and be more precise and exact. The problem I propose is, which brand of hair coloring is the least damaging to the human hair? I believe that after several times of use each kit will all be equally damaging. To perform this experiment I would need several materials, including a number of coloring kits, protective gear, and the following research.
English: first reaction in typical hair dyes
English: improved selection of coupling agents for...
English: second reaction in typical hair dyingPeople both young and old have been fascinated with the idea of hair coloring. Some do it as a way of self-expression and the others to hide the proof of their "coming of age". Statistics show that two out of every four American women and a much smaller number of men dye their hair. Unfortunately, some recent studies have linked hair coloring with an increased risk of contracting certain cancers. The FDA reports that consumers are often on their own, consequently, when deciding whether hair dyes are safe or not. For further disdain, the FDA could not remove hair dyes from the shelves because of an act passed in 1938, which exempted hair color products primarily made from coal tar. This act was prompted after an upraising in allergic reactions in some susceptible individuals. Most hair dyes in use today derive their ingredients...