Redken Yellow Shampoo and Shades EQ: How I Fixed My Brassy Hair
My blonde turned brassy yellow after weeks. Here is my honest experience using a Redken Shades EQ toner and a purple shampoo to neutralize the yellow – without a full re-color.
By Jana Brandt · 
Advertisement – I earn a commission if you buy through links here; this is still my honest experience.
If you just searched for a Redken yellow shampoo to fix yellow hair, you know the feeling exactly. You turn your head in the bathroom light – and instead of cool blonde you see warm, almost gold-yellow brass. Six weeks ago, that was me.
Quick answer if you are short on time: in my case, pairing a Redken Shades EQ toner with a purple shampoo neutralized the brassiness – without a full re-color. The toner lays a cool veil over the warmth, and the violet pigment in the shampoo holds it. More below, limitations included.
The problem: neutralize brassy hair without re-coloring everything
My blonde was not damaged. It had just gone warm. Every wash pulled a little more toward yellow, and I started angling photos sideways so the light would hide the brass.
The annoying part was not only the color. It was that small daily defeat at the mirror. I did not want three hours in a salon, and I did not want a fresh root job. I just wanted the yellow gone.
What did not work first
Before I landed on the Redken Shades EQ toner, I tried a few things. And no, not all of them earned their money. I will save you three of them.
- A cheap drugstore purple shampoo: it went patchy violet, but the yellow came back after two washes.
- A brightening conditioner: softer hair, zero change in tone.
- Just waiting for my next salon appointment: the yellow only got stronger.
After the third miss, I was close to just covering it with a darker shade and giving up on blonde. That is when the tip landed.
The turning point: why a toner works differently than shampoo alone
My stylist said one sentence that explained everything: purple shampoo only sits pigment on top, while a demi toner like Redken Shades EQ works inside the hair and corrects the undertone. That is why my shampoo alone was always just a band-aid.
Shades EQ is an acidic, ammonia-free demi-permanent gloss. It does not lift, it neutralizes. To fix yellow you use the violet and blue tones – in my case a cool violet shade my stylist mixed.
The shampoo was the band-aid. The toner was the actual reset – and I wish I had known that sooner.
I had the toner done at the salon, because mixing it takes real experience. The difference showed at the rinse: the warm gold was gone, the blonde looked clean and calm. No purple cast, just cooler.
At home I hold the result with a violet purple shampoo. My rhythm: every second or third wash, two to three minutes, no longer. That keeps the tone cool without tipping into dull grey.
The morning after the salon I stood in the same bathroom light that had bugged me for weeks. I turned my head – and the warm shimmer was gone. For the first time in a while, I did not have to angle the photo.
One honest limit: the toner fades. For me the clean cool effect lasted roughly four to five weeks, then a little warmth crept back. The purple shampoo stretches that time, but it does not replace the toner. And if your hair is heavily orange-brass rather than yellow, a violet toner often is not enough – you likely need blue tones or a salon visit.
This is my experience, not a guarantee. But if you want to neutralize brassy hair without re-coloring, this combination is the most honest tip I can give. See how it works – no pressure, in your own time, and with your hair type in mind.
Frequently asked questions about Redken Shades EQ
How does Redken Shades EQ actually work?
Shades EQ sits on your blonde hair as a light tint and uses blue and violet pigments to neutralize yellow and brassy tones. In my experience it doesn't make the blonde lighter, it just makes the tone cooler and more even.
How quickly do you see a result, and how long does it last?
The cooler tone is visible right after the first rinse. For me the result holds for about four to six weeks; many report four to eight weeks depending on how often they wash, before the brassiness slowly creeps back.
Is it damaging to my hair?
Shades EQ works without ammonia and in a more acidic range, so many people find it gentler than a classic permanent color. To be honest it's still a tint and not a miracle fix, and on very unevenly lightened hair the result can sometimes look a little patchy.
Who is this product meant for?
It's meant for blonde, lightened, or gray hair that drifts toward yellow or brassy tones. On dark natural hair that hasn't been lightened, it makes almost no visible difference.
How do I use it, and where do I get it?
Shades EQ is originally a professional gloss that's mixed in the salon with the matching Processing Solution, so the most reliable way is to have your colorist apply it. At home many people keep the result fresh between appointments with a matching toning or purple shampoo; you'll find the original through your salon or a professional beauty supplier.