Researchers have sought to find a possible link between hair dyes and certain types of ?????????????? ???????. And while the World Health Organization's ?????????????? ??????? Research Agency Provided contact with hair dye at work May cause ?????????????? ??????? that But there are no warnings about using home hair dye. As there is no evidence that can be conclusive.


The latest study, published in the BMJ medical journal, looked at data from 117,200 nurses at Brigham and Women's Hospital in Boston, including details about their exposure to hair dye. Not everyone had ?????????????? ??????? at the start of the study. And follow up studies These nurses were 36 years.

From this study The researchers found no increased risk of developing ?????????????? ???????. That can often be found Or ?ying from ?????????????? ??????? Among women who said they had used permanent hair dye Compared with those who said they had never used such hair dye
Studies have also found that using home hair dye It did not increase the risk of ?????????????? ??????? of the bladder, brain, colon, kidneys, lungs, blood, and immune system. Or ?????????????? ???????, which is the most common skin or ***.

However, studies suggest that the use of permanent dyes It is associated with a slightly increased risk of non-fatal skin basal cell carcinoma. And this risk is higher among women with naturally light hair. It also has an increased risk of ovarian ?????????????? ???????. And three types of *** ?????????????? ??????? from the use of permanent hair dye This risk increases with the accumulated amount of hair dye used.

The authors of the report say that permanent dyeing in darker shades may be associated with more intense hair dye ingredients. The most intense hair dye is permanent hair dye. It accounts for about 80% of all hair dyes in the US and Europe, but is higher than this in Asia.

The study found that in general About 50% to 80% of women use hair dye and 10% of men use it, with men over 40 in the US and Europe.

The researchers said These findings should help build confidence. Regarding the concern that permanent home dye use May involve some risk Against ?????????????? ??????? Or death Increasing

However, this study was an observational study only. Therefore unable to specify cause and effect The researchers also highlighted some limitations to the study. For example, the study participants did not have ethnic diversity. Most of them are white women in the United States. With European descent And there are other factors That are not used to measure results Such as using other products That could affect the outcome of the study.