Blonde IQ 9+ Calibrated Anti-Brass Lightener

Blonde IQ 9+ Calibrated Anti-Brass Lightener is rated 4.9 out of 5 by 260.
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1.1 lb
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What It Is

Redken Blonde IQ 9+ lightener for calibrated anti-brass results with up to 9 levels of lift.

What It Does

Redken’s Blonde IQ 9+ Calibrated Anti-Brass Lightener is a dual-action oil-powered system designed for advanced neutralization and up to 9 levels of powerful clean lift. The proprietary technology efficiently drives neutralization power to the hair’s core; breaking down eumelanin and pheomelanin for your most neutralized blonde.

Perfect for balayage, foiling and all over blonding, Redken Blonde IQ 9+ is to only be used with Redken Pro Oxide Oil Developers 10 – 30 Volume to guarantee precise results you expect.

What Else You Need to Know

Redken Blonde IQ 9+ provides no swelling, better saturation, even lift, and precise application, delivering a powerful clean lift for all hair types and textures. Its versatile formulation is ideal for a wide range of services, including balayage, foiling, and all over blonding.

Wear suitable disposable gloves. Mix product in a well-ventilated area. Follow mixture ratios carefully, or damage to hair or scalp including irritation, hair loss or chemical burns could occur.

1. Put the recommended amount of Blonde IQ™ 9+ Lightener and Pro-Oxide Oil Developer 10V (3%), 20V (6%) or 30V (9%) in a non-metallic bowl.

2. Blend until smooth creamy consistency is achieved.

POTASSIUM PERSULFATE - SODIUM SILICATE - AMMONIUM PERSULFATE - MAGNESIUM CARBONATE HYDROXIDE - SODIUM STEARATE - MINERAL OIL - SODIUM LAURYL SULFATE - DISODIUM EDTA - HYDROXYETHYLCELLULOSE - ACRYLATES/C10-30 ALKYL ACRYLATE CROSSPOLYMER - CI 77007 / ULTRAMARINES - SODIUM CITRATE

Purchases made in SalonCentric stores may be returned to any SalonCentric store. Purchases made through SalonCentric Customer Service, SalonCentric Business Partners, and SalonCentric.com orders Sold and Shipped by SalonCentric may be returned to a SalonCentric store; however, the return must not exceed $450 and must include the original receipt, packing slip, or invoice. For returns in-store of online orders, the refund will be credited back to the original payment method once the return has been processed. For SalonCentric.com Online Exclusive orders sold and shipped by third-party sellers, please see more details linked below for return steps.

The SalonCentric return policy does not currently apply to Kérastase & Shu Uemura purchases. Kérastase & Shu Uemura do not accept returns.

Click to see more details.

Rated 5 out of 5 by from Redken is solid I am so excited that I got the developer for free when I purchased the lightener. I love that deal. So smart! And redken is a brand I know I can trust.
Date published: 2026-01-16
Rated 5 out of 5 by from loveee Works on box dyed hair, love how it cancels out warm and is DUST FREEE
Date published: 2026-01-15
Rated 5 out of 5 by from Love it so far! Stays creamy and doesn't swell like the Flash Lift.
Date published: 2026-01-09
Rated 5 out of 5 by from New #1 Gentle but strong!! Loving all the results I’ve been getting over the last month. This will be my new #1 go to lightener
Date published: 2025-12-31
Rated 5 out of 5 by from Anti brass lightener Used for the first time today! Totally in love pulled up perfectly and client was very satisfied with results
Date published: 2025-12-20
Rated 5 out of 5 by from 10/10 i was married to blondeme but im allergic to it, blondeiq is the onlyyy other bleach that performs as well in getting 9 levels of lift while protecting the hair for me
Date published: 2025-12-20
Rated 5 out of 5 by from OKAY OBSESSED Where has this been all my life!!! Leaves the integrity of the hair in good condition and lifts INSANELY quick! Love love love !
Date published: 2025-12-16
Rated 5 out of 5 by from HANDS DOWN BEST LIGHTENER This lightener has replaced my other lighteners, amazing lift and works quite fast. The integrity of the hair is incredibly healthy afterwards. I love this product so much!
Date published: 2025-12-12
Rated 5 out of 5 by from amazing! [Employee of saloncentric] This lighter is amazing! No swelling no irritation on the scalp lifts beautifully helped neutralize the hair. It’s a great anti, brass lighter. so easy to mix you don’t even need a whisk it blends like butter.
Date published: 2025-12-11
Rated 5 out of 5 by from amazing! I'm very picky about lighteners and this one is a game changer
Date published: 2025-12-10
Rated 5 out of 5 by from Happy Stylist Love the way it lifted and leaving the hair healthy.
Date published: 2025-12-09
Rated 1 out of 5 by from Hoping to find developer for this product soon.. Would've liked to use it, but... no developer in stock
Date published: 2025-12-07
Rated 5 out of 5 by from Beautiful blonde every time! Lightner goes along way! I use half the product an it takes half the time! Beautiful blonde every time!! Love this stuff
Date published: 2025-12-03
Rated 5 out of 5 by from Love it I absolutely love the consistency and texture. So smooth and easy to work with
Date published: 2025-12-03
Rated 5 out of 5 by from Consistency is like no other, no swelling just the If this doesn't become number one lightner in the world I would be amazed.
Date published: 2025-11-30
Rated 5 out of 5 by from shocked! I’ve been getting such great results on my usually tough clients that normally take forever to lift! Cut off an extra hour on timing!
Date published: 2025-11-30
Rated 5 out of 5 by from try it!!!! You won't be mad The lift is mind blowing. Takes a little longer to lift but its a safe lift with no damage.
Date published: 2025-11-29
Rated 5 out of 5 by from Impressed First of all no smell and swelling of the lightener. Lifts incredible in 30 minutes, very clean and even. Highly recommend it, would use it again! Hair felt incredible afterwards .
Date published: 2025-11-20
Rated 5 out of 5 by from Loved this lightener! Just used, for the first time, on my mother- level 5 perm color for the last 5 years- and it lifted to a clean level 9 in 30 minutes! It was amazing! And no swelling?! Come on! It was amazing!
Date published: 2025-11-13
Rated 5 out of 5 by from wow! I absolutely loved it! The consistency and the spread is beautiful
Date published: 2025-11-12
Rated 5 out of 5 by from best bleach 🙌 So impressed with how evenly and beautifully this lifts, while getting rid of those unwanted warm tones. The consistency is a dream to work with, no swelling, and the hair felt great afterwards! My new go-to lightener
Date published: 2025-11-08
Rated 5 out of 5 by from BEST OF THE BEST!!! Nothing compares to it!
Date published: 2025-11-03
Rated 5 out of 5 by from Run! This oil base lightener is amazing! I use a 2 to 1 ratio and this stuff spreads well. The oil base keeps the moisture in the hair and doesn't expand which is perfect for global blonding retouches!
Date published: 2025-10-31
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