Is Coloring Your Hair Bad For Your Health
For the most part hair dyes are safe to use explains dr.
Is coloring your hair bad for your health. According to the national center for biotechnology information ncbi part of the national institutes of health nih ppd allergy can cause severe reactions. 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. 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. In other words if this is too much for you start detoxing elsewhere.
Ppd and its cousin ptd are found in most commercially produced hair dyes. 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. Research shows that it can cause contact dermatitis and reactions. The pigment is used to darken hair and has been noted as a very strong sensitizer.
Coloring hair risk 3. Darker hair dye shades contain higher concentrations of ppd.