Numerous people use hair shading at times or routinely so as to reestablish turning gray hair to its unique shading, or to change their hair shading to a progressively alluring or increasingly elegant shading, or even to restore their hair shading to its past tone after it has been harmed by synthetic substances or sun dying. Be that as it may, transitory or perpetual hair hues can have antagonistic wellbeing impacts. Other than making solid hair become dry or weak, a portion of the synthetic concoctions in hair shading items have been connected with malignancy. Nonetheless, it isn’t absolutely evident whether hair shading items really bring about any types of malignancy. Numerous examinations have taken a gander at the inquiry, however the outcomes are uncertain. 艶黒美人
Since hair colors and most expert applications contact the scalp a portion of the synthetic concoctions in the item can work their way into the numerous little veins that gracefully the scalp. From the scalp the synthetic substances can work their way into the blood flexibly and into the body’s numerous organs, particularly the bladder.
A few investigations throughout the years have inferred a connection between bladder malignancy and hair shading items. An examination financed by the National Cancer Institute, performed by the Keck School of Medicine at the University of Southern California, and detailed in 2001 looked at 1514 bladder malignancy patients in Los Angeles with a populace of 1514 non-patients who lived in similar neighborhoods. The examination was balanced for tobacco smoking, a known supporter of bladder malignant growth. The investigation revealed that ladies who utilized changeless hair color month to month for a year or longer were twice as prone to create bladder malignant growth as ladies who didn’t utilize perpetual hair color. The examination additionally demonstrated that the individuals who utilized changeless hair color month to month for a long time or more were multiple times as liable to create bladder malignant growth. Further, the investigation demonstrated that hairdressers and stylists with one year of introduction to hair colors were half bound to create bladder malignant growth and those with 10 years of expert presentation were multiple times bound to create bladder disease.
The USC concentrate additionally inferred that there was not an association among impermanent and semi-changeless hair colors and bladder malignancy. These colors typically last just half a month and wash out generally rapidly. The American Cancer Society gauges that bladder malignant growth speaks to 6% of disease cases in men and 2% of disease cases in ladies.
Then again the Food and Drug Administration (FDA) and the American Cancer Society discharged an epidemiological investigation in 1994 that included 573,000 ladies. This examination didn’t presume that a connection between the utilization of lasting hair shading and passings from bladder malignant growth among ladies existed.
Different investigations have concentrated on platelet malignant growths including lymphomas, leukemia, and myelomas. The American Journal of Epidemiology in 2004 distributed aftereffects of an investigation by Yale University scientists that proposed that drawn out use of dim hair color may somewhat build the danger of creating non Hodgkin’s lymphoma however that it was anything but a convincing reason for malignant growth. The investigation brought up that individuals who utilized hair hues before 1980 may have an expanded hazard for malignant growth. Hair colors have changed since 1980 when the utilization of synthetic concoctions that were known to cause malignant growth in mice was dispensed with.