What Causes Brassy Hair? "Brassy hair is caused by color that lacks a grounding tone, such as brown or beige," says ...
If you’re going from blonde back to black, you really need to leave the dark dye on for a long time. Otherwise, when it ...
If your hair color ends up inky ... but then you may end up brassy.) “Think of at-home dye like one-size-fits-all clothing: ...