Hair DIE!!!!!

British scientists are warning that popular hair dyes used by millions of women contain a number of chemicals linked to cancer.

According to Britain's Daily Mail newspaper, the scientists also say that both home hair coloring kits and dyes used at more expensive hair salons pose a growing potential health risk.

The scientists, who recorded their findings in a respected medical journal recently, say chemicals in permanent hair dyes may react adversely with tobacco smoke and other airborne pollutants "to form one of the most powerful cancer-causing compounds known to man," the Daily Mail said.
Researchers simply 'joined the dots'

As more than one-third of women and one in 10 men regularly color their hair, the researchers note it is "imperative" that the risk to their health is adequately measured and recorded.

Not surprisingly, the cosmetics industry is strongly disputing the scientists' findings, which came from researchers at a Leeds-based company called Green Chemicals, who conducted a review of chemistry surrounding hair dyes.

The scientists said all the information regarding the threat was readily available; all they did, they say, was "joined the dots" to make the cancer link.

In their findings, the researchers identified chemicals called secondary amines, which are found in all permanent hair dyes or are reformed in them. They are able to penetrate the skin and remain in hair for weeks, months or even years after dyes are applied.

Over time, the compounds could react with tobacco smoke, exhaust fumes or other substances to form highly poisonous chemicals known as N-nitrosamines.

Known to cause cancer, these substances have been banned from use in other cosmetics, but the researchers argued that they are still able to be generated through a simple chemical reaction.

In the past, hair dyes have been linked to a host of cancers, including tumors of the breast, bladder, ovaries and the brain, and have been known to play a role in causing leukemia.
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