Keratin Complex
NKST: Natural Keratin Smoothing Treatment 16 oz. Banded Duo

NKST: Natural Keratin Smoothing Treatment 16 oz. Banded Duo is rated 4.4 out of 5 by 105.
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NKST: Natural Keratin Smoothing Treatment 16 oz. Banded Duo
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What It Is

NKST (Natural Keratin Smoothing Treatment) is a multi-award-winning keratin treatment that penetrates the cuticle to reduce frizz and curl, making the hair stronger, smoother and healthier for up to 5 months. This revolutionary smoothing treatment is powered by Signature Keratin to help repair damage, eliminate frizz, cut styling time and deliver a soft, smooth and shiny finish.

What It Does

• Blocks humidity and eliminates frizz.

• Formulated with our Signature Keratin for stronger, healthier hair.

• Instantly repairs damage.

• Increases manageability.

• Delivers luminous shine.

• Dramatically reduces blow-dry time.

• Enhances color vibrancy.

• Cumulative results.

• Results last up to 5 months.

• Voted behindthechair.com’s “Favorite Chemical Smoothing Service” 9 years in a row.

• Winner of the Beauty Launchpad 2019 and 2020 Readers Choice Award for “Favorite Smoothing Service”.

What Else You Need to Know

Kit Includes:

• 1 - Keratin Pre-Treatment Shampoo 16 oz.

• 1 - Natural Keratin Smoothing Treatment 16 oz..

 

*Totaling 32 fl. oz.

*Winner of Beauty Launchpad's Favorite Smoothing Treatment , 9-time award-winner of Behindthechair.com Stylist Choice Award for Favorite Chemical Smoothing Service

NKST: Water/Aqua/Eau, Hydrolyzed Keratin, Timonacic, Cyclomethicone, Dimethicone, Glyceryl Cocoate, Hydroxyethylcellulose, Xanthan Gum, Glycol Distearate, Cyamopsis Tetragonoloba Gum, Aminopropyl Phenyl Trimethicone, Dimethiconol/Silsesquioxane Copolymer, p-Benzoquinone Fragrance/Parfum.Clarifying Shampoo: Water/Aqua/Eau, Ammonium Lauryl Sulfate, Glyceryl Cocoate, Ammonium Laureth Sulfate, Cocamide MEA, Hydroxyethylcellulose, Dimethicone, Cocamidopropyl Betaine, Glyceryl Stearate, Glycol Distearate, Cyamopsis Tetragonoloba Gum, Hydrogenated Jojoba Oil, Caprylyl Glycol, Hexylene Glycol, Phenoxyethanol, Potassium Sorbate, Fragrance/Parfum.

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 Love this product Love this product!. It works well, is easy to use and not too stinky.
Date published: 2026-07-01
Rated 3 out of 5 by from Sell without the shampoo please I would give this a higher rating because I love the treatment. But I hate that you have to buy it with a shampoo and cannot just buy the treatment alone!
Date published: 2026-06-30
Rated 5 out of 5 by from Love it! I love this product it Doesn’t smell or smoke like products I’ve used in the past. Now if I could just get customers to do what the are suppose to do at home
Date published: 2026-05-17
Rated 5 out of 5 by from Nice smoothing treatment The girls at my salon love this treatment. No strong fumes and leaves the hair so shiny and smooth!
Date published: 2026-04-23
Rated 5 out of 5 by from Love this One of my fav keratin’s to use and lasts for so long!
Date published: 2026-03-23
Rated 5 out of 5 by from favorite keratin treatment Does a fantastic job when done correctly , lasts 5+ months , all my clients love it I’ve never had a complaint
Date published: 2026-03-13
Rated 4 out of 5 by from happy [Employee of saloncentric] I’ve been using keratin complex for years and it works well.
Date published: 2025-11-11
Rated 5 out of 5 by from works well This works really well. I just feel like there is not much in the bottles as I get with Brazilian
Date published: 2025-10-28
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