Cosmo's Guide to the Biggest Hair Color Trends of 2024 When it comes to hair color, nothing's as simple as black and white. Lucky for you, we know a thing or two about getting the perfect hue!

“An all-over bleach and tone is always going to be high maintenance,” O’Connor says, adding that allover black is tough too, “especially if you have a lighter natural hair color.” O’Connor says to ...