If it’s time for a change, blue hair dye is a choice that celebrities from Lady Gaga to Kylie Jenner have made chic. Blue hair dye comes in a variety of hues, so you can find your favorite color ...

I get bored with my hair with the frequency of an angsty teen. In practice, this means I dye my hair regularly enough I no longer expect friends to notice. It also means that I regularly have ...

So—there I was, six weeks out from my last salon visit, sending a frantic text to my colorist, in which I asked for her thoughts on experimenting with at-home, demi-permanent hair dye as a cost ...

Despite what the instructions say, I apply dye to dry, not wet, hair. It’s easier to see where you’re putting the color. I use a toothbrush instead of the applicator brush because it’s more ...