If you dye your hair dark, the upkeep can be intense. If you can't get into the salon right away, your next best bet just might be a great box dye. They've come a long way over the years, and the best ...

A little over a year ago, I made a beauty move I'd been fantasizing about for years: I went from brunette to colorful strands with the help of blue hair dye, by dyeing my hair blue with green at the ...

Pro tip: If you’re hesitant to go for a full-blue moment, match your shade of blue to your skin’s undertone, says Hernandez. “Cool and neutral skin tones can wear most cool-toned blue hair colors, ...