Ultimately, the end result might involve some deep, blue-based highlights if you already have nearly black hair to begin with. Or, if you have dark brown hair, a permanent blue-black color can be ...

More specifically, let’s talk about partial highlights vs. full highlights. “Highlights are a hair coloring technique that lighten pieces of hair without having to do a single process ...

You can also let sections of your original hair color peek through for a more cohesive and purposeful finish, like the blue-on-black mix seen ... These blue highlights look especially stunning ...

It doesn't have to be summer to wistfully pine for sun-kissed highlights. But for those of us whose natural hues run more like Morticia Adams, lightening our jet-black hair in a way that isn't ...