Explore the best dark red hair color ideas. From cherry red to ombre styles, find trendy and classic looks to take straight ...

An estimated one-third or more of women over age 18 and about 10% of men over age 40 use some form of hair dye. But when it comes to hair dye and cancer risk, is hair dye safe? There is conflicting ...

In honor of the new ‘Beetlejuice’ movie, Christina Aguilera debuted a neon green hair color with baby bangs. See her latest ...

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 ...

Check out InStyle’s favorite red hair looks so you can be prepared for your next color appointment with tons of inspiration.

While I'm allll for a bold red look, a more toned-down version can make just as much of an impact. If you want to add more ...

As one does, Christina Aguilera just popped on Instagram more evidence that experimental hair is the way forward – natch. And by experimental hair, I'm referring to her newly coloured neon green locks ...

Others thought it could be a hint about a forthcoming solo single. “She said she'll dye her hair when she will release an album!!!!!” wrote a fan. We shall see!