The Best Products To Keep Your New Hair Color Brass-Free

Photographed by Amelia Alpaugh.
If you dye your hair blonde, or even certain shades of brunette, brassy hues are like cockroaches after the apocalypse. They just keep on comin', reappearing no matter how cool-toned your original shade was. Blame the sun, your shampoo, or post-summer fun. Regardless of the cause, once that brass shows up, you gotta deal with it, stat. (Unless you like it, in which case, you do you — and maybe send this article to a friend who needs it.)
When your color turns brassy, it can be tempting to just call the salon and have it redone. But, that habit gets expensive real fast — plus, most colorists recommend waiting six to eight weeks between dye jobs to avoid damage. What's an unintentionally brass-ified girl to do? Ahead, the products you need to stay cool — in more ways than one.
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This foaming gloss has a permanent place in our showers, for good reason. It once maintained the frosty baby-blond that Jessica Simpson sported at her wedding, so it can definitely cut through our brassy tones — and even prevent them. Use it after you shampoo, and let it sit for about five minutes. It'll make your locks extra shiny, too. "You'll notice a difference after one or two washes," celebrity hair colorist Rita Hazan tells us.

Worth noting: This product works well on blonde, brown, and gray hair.
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This option is known for lightening up sun-kissed strands. "My favorite summer shampoo and conditioner is R+Co's Sunset Blvd," John Ruggiero, stylist to Kate Upton and Olivia Wilde, says. "They're purple to give summer blonds that extra brightness."
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Brassy hues plague brunettes, too — but not if they're armed with this teal mousse, which is specifically designed to eliminate orange and red from dark hair.
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Of course, the hair wizards behind Pravana would come up with a clever blue-green shampoo and conditioner for brunettes.
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Chlorine, heavy metals (not the fun, musical kind), and chemicals in your tap water can wreak havoc on blond hair, adding brassiness and sometimes even tinges of green. This water purification system removes almost all of those undesirables from your shower and keeps your color fresh, shiny, and green-free.
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This system boosts color, and helps hair in need of some nourishment. "It has become my number one recommendation to all my clients for damaged hair," hairstylist Bridget Brager says. "It's part protein with a ton of moisture and leaves the hair so shiny."
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This Drybar brightening conditioner delivers a surge of lightweight moisture to dyed and highlighted hair, without weighing it down. The color-enhancing formula is great because it'll keep your hair color from becoming dingy, and will also detangle and soften for more manageable strands. Even better, the smell is heavenly.
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This shampoo was originally formulated to bring out the bright, silvery tones in natural gray hair, but it also works as a great neutralizer for hair of all shades — color-treated or otherwise.
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This affordable pick is perfect for natural and curly hair. "It replenishes moisture and will also strengthen and soften the hair," Cantu Global Artist Maria Antoinette says. "The healthier the hair, the better it will retain the color." She also recommends rinsing with lukewarm water to lock in your hue.
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Brassy hair doesn't have to feel like such an emergency, especially if you've got this glossing formula, which adds shine and counteracts the warm tones in blonde hair.
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Giving that extra attention to your hair color doesn't mean you have to shell out the extra dollars. If you're looking for a more affordable conditioning option, this treatment has a pastel violet pigment to neutralize hair and violet rice for soothing. And don't let the price tag fool you, as the reviews prove, it's definitely worth a try.
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In a rush? This 2-in-1 gloss and conditioning treatment enhances your color and repairs hair in just three minutes, so when you say you're on your way, you won't be lying to buy time.
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appearance by Beatrice Copeland; appearance by Sean Bennett.
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Hair color touch-ups are pricey enough, so at-home maintenance shouldn't set you back even more cash. This DIY gloss treatment by John Frieda revives dull color in 3-5 minutes and rings in at under $15.
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