Here’s what experts really think about boxed hair dye. Getting your hair dyed professionally can cost you a pretty penny—often upwards of several hundred dollars—which makes it really ...

Speaker 1: Thank you very much. Speaker 3: (TO AUDIENCE) Right, so I know when I'm mixing hair colour, I need two ingredients, the colour and the developer. And I know you have to get the amounts ...

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 ...

The only trick: Choose a dye that’s gentle on the hair, tough on grays, and easy to apply. To help whittle down the selection, consider the formulas celebrity hairstylists actually recommend ...