Color
Why Hair Goes Brassy — and How to Fix It
You left the salon with the perfect cool blonde or rich brunette, and a few weeks later there's warmth creeping in — gold, orange, sometimes a stubborn yellow. That's brass, and it's one of the most common things we hear about. The good news: it's normal, and it's fixable.
Why brass happens
When we lighten hair, we expose the warm pigments underneath — and those warm tones want to come back to the surface. Over time, your toner or gloss fades and that underlying warmth shows through. Hard water, sun, chlorine, heat styling, and even some purple shampoos used incorrectly all speed it up.
So brass isn't a sign the color was done wrong. It's the natural fading of the cool tones that were layered on top of warm ones.
What you can do at home
A good purple or blue toning shampoo, used once or twice a week, neutralizes mild warmth between appointments. The key word is mild — and the mistake people make is leaving it on too long or using it daily, which can leave hair dull or slightly violet. Use it like a treatment, not your everyday wash.
Sulfate-free care, lukewarm water, and a shower filter for hard water all help your tone last longer, too.
When to come in
When at-home toning isn't keeping up, a salon gloss is the real fix — it refreshes your tone, neutralizes brass, and adds shine in about 45 minutes. Most clients book one every few weeks between color appointments to stay ahead of it.
If your hair has gone significantly off-tone — banded, uneven, or far from where you want it — that's color-correction territory rather than a quick gloss. Either way, we'll look at it and tell you honestly which one you need.