When brassiness occurs, that also means that among the red, yellow and blue color molecules your hair dye contains, the blue ones have made a faster departure, leaving-you guessed it-just the warm tones. When the brassiness starts creeping up, think of it as your natural hair telling you, “Hey, remember us?” For lightened blonde hair, the underlying pigment is yellow, and for lightened brown to black hair, the underlying pigments are orange to red. When hair is bleached, melanin, a dark brown to black pigment, gets diluted in a process known as oxidation.Īfter bleaching, the next step is usually to apply your haircolor, which deposits artificial pigment onto your locks while removing some of your natural color.īrassy haircolor becomes a problem when bleaching or lifting doesn’t get rid of all the underlying pigment in your hair, giving the warm tones an opportunity to reveal themselves. To lift dark hair, bleaching with a mix of ammonia and peroxide is usually a necessary part of the equation. To understand why this occurs, you’ll need to understand what’s happening during the whole hair lightening process. ![]() ![]() It typically happens in dark hair that gets dyed platinum or blonde, but it can also occur in hair that’s been highlighted or in hair that’s been lightened to brown. Brassiness refers to the unwanted warm tones that show up in colored hair.
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