Hair Color Cause Cancer
The latest study on this subject from researchers at the u s.
Hair color cause cancer. Temporary tints are easily washed out because they are not absorbed by the outer layer or cuticle of the hair shaft. Earlier studies have linked permanent hair dyes to. Do hair dyes cause cancer.
Semi permanent colors do penetrate and stain the cuticle lasting up to six to 10 shampoos. Another study that supported this idea was done at the finnish cancer registry by sanna heikkinen. There are a variety of products available to color aging hair.
26 2004 long term use of permanent hair dye in dark colors doubles a person s risk of certain blood cancers new research shows. Early hair dye formulations contained chemicals including aromatic amines that were found to cause cancer in animals. National institutes of health nih and the national institute of environmental health sciences niehs showed a 60 percent increased risk of breast cancer among african american women who used permanent hair dyes every five to eight weeks or more compared to their non dying peers.
It is not known whether some of the chemicals still used in hair dyes can cause cancer. Research studies are contradictory and inconclusive. The better informed consumers become the wiser our choices.
Over the years a number of studies have hinted at hair products potential role in cancer as the study authors explain hair products contain more than 5 000 chemicals including some with. More than 33 percent of women over 18 and 10 percent of men over 40 use hair dye so the question of whether hair dye causes cancer is important. I am glad that researchers are paying close attention to products that may or may not cause cancer.
In the study 8 000 women with breast cancer were compared to a control group of 20 000 women. Early hair dyes contained chemicals including some aromatic amines which were found in the late 1970s to cause cancer in lab animals so hair dye manufacturers changed some of the chemicals in their products. And though the information regarding permanent color and straightening products looks ominous women can still color or straighten their hair.
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