Numerous people use hair shading once in a while or normally so as to reestablish turning gray hair to its unique shading, or to change their hair shading to a progressively alluring or increasingly popular shading, or even to restore their hair shading to its past tone after it has been harmed by synthetic substances or sun blanching. Be that as it may, impermanent or changeless hair hues can have antagonistic wellbeing impacts. Other than making sound hair become dry or weak, a portion of the synthetic compounds in hair shading items have been connected with disease. Be that as it may, it isn’t absolutely certain whether hair shading items really create 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 compounds in the item can work their way into the numerous little veins that supply the scalp. From the scal
p the synthetics can work their way into the blood supply and into the body’s numerous organs, particularly the bladder.
A few examinations throughout the years have suggested a connection between bladder disease and hair shading items. An examination subsidized by the National Cancer Institute, performed by the Keck School of Medicine at the University of Southern California, and announced in 2001 looked at 1514 bladder malignant growth patients in Los Angeles with a populace of 1514 non-patients who lived in similar neighborhoods. The investigation was balanced for tobacco smoking, a known supporter of bladder malignant growth. The examination revealed that ladies who utilized perpetual hair color month to month for a year or longer were twice as liable to create bladder malignancy as ladies who didn’t utilize lasting hair color. The investigation additionally demonstrated that the individuals who utilized lasting hair color month to month for a long time or more were multiple times as liable to create bladder disease. Further, the examination demonstrated that beauticians and stylists with one year of introduction to hair colors were half bound to create bladder malignancy and those with 10 years of expert presentation were multiple times bound to create bladder disease.
The USC concentrate likewise inferred that there was not an association among brief and semi-lasting hair colors and bladder malignant growth. These colors ordinarily last just half a month and wash out moderately rapidly. The American Cancer Society assesses that bladder malignant growth speaks to 6% of disease cases in men and 2% of malignancy cases in ladies.
Then again the Food and Drug Administration (FDA) and the American Cancer Society discharged an epidemiological examination in 1994 that included 573,000 ladies. This investigation didn’t infer that a connection between the utilization of perpetual hair shading and passings from bladder malignancy among ladies existed.
Different investigations have concentrated on platelet malignancies including lymphomas, leukemia, and myelomas. The American Journal of Epidemiology in 2004 distributed consequences of an investigation by Yale University specialists that proposed that long haul utilization of dim hair color may marginally expand the danger of creating non Hodgkin’s lymphoma yet that it was anything but a definitive reason for malignant growth. The examination called attention to that individuals who utilized hair hues before 1980 may have an expanded hazard for malignancy. Hair colors have changed since 1980 when the utilization of synthetic compounds that were known to cause disease in mice was wiped out.