Is Coloring Your Hair Bad For Your Health
Ppd and its cousin ptd are found in most commercially produced hair dyes.
Is coloring your hair bad for your health. The pigment is used to darken hair and has been noted as a very strong sensitizer. As for coal tar dyes in general the ewg ranks it as a 7 to 10 as studies have indicated it as an irritant and even potential human carcinogen. The international agency for research on cancer a subsection of the world health organization has not classified hair dye in relation to cancer risk stating that there is not enough evidence. According to the national center for biotechnology information ncbi part of the national institutes of health nih ppd allergy can cause severe reactions.
The biggest concern is hair dyes causing allergic or irritant contact skin reactions from one of their ingredients such as p phenylenediamine ppd ammonia or bleach. Hair dyes seem to be a bigger exposure to women but if you improve other areas like cookware the mattress you sleep on and shampoo you use it lessens the overall impact of your hair dye. Your dna your genetic makeup also may make you more susceptible to bladder cancer if you use permanent dyes according to a 2011 study by the international journal of cancer. In other words if this is too much for you start detoxing elsewhere.
Darker hair dye shades contain higher concentrations of ppd. Coloring hair risk 3.