Current estimates suggest that 50-80% of women and 10% of men 40 years of age and over in the United States and Europe use permanent hair dye products. The aromatic amine p-phenylenediamine (PPD) is ...

Here’s what the research suggests about the link between hair dye and cancer. Credit...Joyce Lee for The New York Times Supported by By Rachel Rabkin Peachman Q. I color my hair regularly, but I’ve ...

I started this video with a stubborn strip of orange banding from old permanent dye, so I decided to film the entire color ...