Some people have the test done to figure out if there are other hair dye products they could use ... A mild allergy or irritation from hair dye can be prevented by using gentler products to color your ...
Methods: A retrospective analysis of patch-test results since October 2006 was done and yielded 28 patients allergic to PPD who were also tested with a hair dye series. From January 2004 through ...
Keep track of time and don't leave the product on longer than the directions indicate. Thoroughly rinse your hair and scalp with water after dyeing. Keep hair dye products out of reach of children.
The medical term for hair graying is canities. Hair turns gray (or white) when your hair follicles stop creating melanin. Melanin is the substance that gives your skin and hair color.