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Keratin Alpha Sleek Anti-Frizz Hair Mask

Keratin Alpha Sleek Anti-Frizz Hair Mask is rated 4.6 out of 5 by 22.
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8.5 oz.
#E4565500
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What It Is

A rich, professional hair mask formulated with keratin that deeply nourishes to control frizz and volume, leaving hair instantly softer, smoother, and shinier.

What It Does

• Long-lasting smooth hair

• 6x smoother hair*

• 84% less frizz**

• 61% more hydrated**

• Suitable for all hair types, even color or keratin-treated

* System of shampoo, smooth transformer, and leave-on vs. before application

** vs. non-conditioning shampoo

***vs. unwashed hair

**** vs. non-conditioning shampoo when using flat iron

What Else You Need to Know

This professional hair mask, formulated with Keratin-Alpha Shaper and amino-acid chains, deeply nourishes while reshaping and smoothing the hair fiber for a sleek, polished finish.

1. After shampooing with Keratin Alpha Sleek Shampoo, apply evenly from lengths to tips.

2. Leave on for five minutes.

3. Rinse thoroughly.

For long-lasting results, use the Keratin Alpha Sleek Smooth Transformer once a week and use this mask on the other wash days of the week.

AQUA / WATER / EAU • CETEARYL ALCOHOL • BEHENTRIMONIUM CHLORIDE • CITRIC ACID • CETYL ESTERS • GLYCERIN • GLYCINE • ISOPROPYL ALCOHOL • AMINOPROPYL DIMETHICONE • POTASSIUM HYDROXIDE • ISODODECANE • PHENOXYETHANOL • BIS(C13-15 ALKOXY) PG-AMODIMETHICONE • BUTYROSPERMUM PARKII BUTTER / SHEA BUTTER • STEARETH-100 • PROPYLENE GLYCOL • HYDROXYPROPYL GUAR • PEG-150/DECYL ALCOHOL/SMDI COPOLYMER • TETRAMETHYL ACETYLOCTAHYDRONAPHTHALENES • POLYQUATERNIUM-37 • LINALYL ACETATE • PROPYLENE GLYCOL DICAPRYLATE/DICAPRATE • CHLORHEXIDINE DIGLUCONATE • CARVONE • CITRUS LIMON PEEL OIL • LIMONENE • COUMARIN • LINALOOL • CITRUS AURANTIUM BERGAMIA PEEL OIL • BUTYLENE GLYCOL • PPG-1 TRIDECETH-6 • PINENE • ACRYLATES/STEARYL METHACRYLATE COPOLYMER • SORBITAN OLEATE • CARBOMER • SODIUM LACTATE • TAURINE • POLYSORBATE 20 • EDTA • PALMITOYL TRIPEPTIDE-1 • PALMITOYL TETRAPEPTIDE-7 • PARFUM / FRAGRANCE

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 4 out of 5 by from Great! I love this system so much. Great for the coarse unruly hair. Wish the scent wasn’t as strong though
Date published: 2026-06-08
Rated 5 out of 5 by from Pleasant surprise I've been using this system for a few weeks now and I can honestly say my hair feels sleeker and more manageable. I live in a high humidity area and I can tell a difference in the smoothness of my hair after being outside. I also love the scent of these products!
Date published: 2026-06-08
Rated 5 out of 5 by from Sleek System! Awesome hair mask to go with the Keratin alpha sleek anti- Frizz collection! Works well in conjunction with the rest of the system. Being someone who has frizz prone hair this is definitely a keeper! I did receive this product in exchange for my professional and honest review.
Date published: 2026-06-08
Rated 4 out of 5 by from Frizz control I used this as a system. The shampoo is great nice lather decent smell. The conditioner is creamy yet lightweight and definitely leaves the hair smoother. The masque is heavier and ferls more like a deep conditioning service. The serum was probably my least favorite. It left my hair feeling slightly coated but still smooth. I have finer hair and thicker hair may not experience the same coated feeling. Overall its a great line and if uou live in a humid area it is great for frizz control
Date published: 2026-06-07
Rated 5 out of 5 by from Goodbye frizz This mask made my hair feel moisturized and healthy after use. Love the scent of this product line. Hair has way less frizz.
Date published: 2026-06-02
Rated 5 out of 5 by from Softer, smoother, shinier hair! This mask smells amazing! It’s a super rich mask and is formulated with keratin.. it deeply nourishes to control frizz and adds some volume. It left my hair instantly softer, smoother, and shinier. Try it!
Date published: 2026-06-01
Rated 5 out of 5 by from Keratin Alpha Sleek Mask I liked the product it leaves the hair feeling incredibly soft, smooth, and hydrated without weighing it down. Great for dry, frizzy, or overprocessed hair and helps add shine while making the hair much easier to manage.
Date published: 2026-05-29
Rated 5 out of 5 by from amazing mask This is a fantastic hair mask it has made my hair look and feel so amazing in every way possible. It’s a 10/10
Date published: 2026-05-28
Rated 3 out of 5 by from lightweight and not moisturizing when used with the whole system,it's great. as a stand alone mask, it left more to be desired. its very light weight which is nice, but it doesn't seem to moisturize as well as other options. It's mainly for smoothing the hair vs moisturizing it. I would recommend this to a client if they have the rest of the alpha sleek system, but I wouldn't use it for damaged or dry hair, they need something heavier. I received this product for free in exchange for my honest review.
Date published: 2026-05-28
Rated 3 out of 5 by from Wouldn't try again Leaves ur hair sleek look some what has a bad smell to it
Date published: 2026-05-25
Rated 5 out of 5 by from luxurious and light! light but lux! this conditioner was perfect to smooth my ends and eliminate any frizz. lovely light smell, whipped texture, went on smooth and felt very deep into the hair. excellent shine and not weighed down at all.
Date published: 2026-05-19
Rated 5 out of 5 by from perfection In love with this line. My hair has never looked smoother after a blowout. Smells so good too!
Date published: 2026-05-17
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