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L'Oréal Professionnel

Keratin Alpha Sleek Anti-Frizz Treatment for Smooth Hair

4.3 · 205 reviews
4,248 ₽

What it is: A professional-grade, semi-permanent smoothing treatment that transforms hair for up two weeks of unparalleled smoothness, shine, and frizz control.Hair Texture: Straight, Wavy, Curly, and CoilyHair Type: Fine, Medium, and ThickHair Concerns:- Frizz- Shine- VolumizingKey Benefits: - Provides long-lasting smoothness and controls frizz- Delivers a brilliant, lasting shine- Reduces smooth styling timeHighlighted Ingredients:- Keratin-Alpha Shaper and Amino-Acid Chains: A powerful complex that smooths the hair fiber to control frizz.Ingredient Callouts: It is vegan.What Else You Need to Know: This professional smoothing treatment is formulated with Keratin-Alpha Shaper and amino-acid chains to deliver salon-quality results. It is free from alcohol and artificial colorants and suitable for all hair types.Fragrance Description: A fresh and modern floral fragrance with powdery notes of cardamom and ginger, balanced by a warm, musky base of sandalwood and vetiver. Expect a technical smell for efficacy.Clinical Results: In an instrumental test, results showed:- 6X smoother hair - 77% more shine - Hair integrity was preserved

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What it is: A professional-grade, semi-permanent smoothing treatment that transforms hair for up two weeks of unparalleled smoothness, shine, and frizz control.Hair Texture: Straight, Wavy, Curly, and CoilyHair Type: Fine, Medium, and ThickHair Concerns:- Frizz- Shine- VolumizingKey Benefits: - Provides long-lasting smoothness and controls frizz- Delivers a brilliant, lasting shine- Reduces smooth styling timeHighlighted Ingredients:- Keratin-Alpha Shaper and Amino-Acid Chains: A powerful complex that smooths the hair fiber to control frizz.Ingredient Callouts: It is vegan.What Else You Need to Know: This professional smoothing treatment is formulated with Keratin-Alpha Shaper and amino-acid chains to deliver salon-quality results. It is free from alcohol and artificial colorants and suitable for all hair types.Fragrance Description: A fresh and modern floral fragrance with powdery notes of cardamom and ginger, balanced by a warm, musky base of sandalwood and vetiver. Expect a technical smell for efficacy.Clinical Results: In an instrumental test, results showed:- 6X smoother hair - 77% more shine - Hair integrity was preserved

Customer reviews

2.0
verified purchase
Not great, sadly

This product seems to create some kind of coating on my hair which stays past a few washes. Immediately after the first wash off of the product, my hair feels weirdly like plastic and wouldn’t say it actually reduces frizz. It seems to make my hair less soft. Will be returning.

8/10/2026
1.0
verified purchase
Does not worth the price

Does not worth the price! After first wind frizz show up!

8/6/2026
4.0
verified purchase

I feel like it didn't leave my hair the way I expected, but I'm giving it the benefit of the doubt for next time.

8/3/2026
5.0
verified purchase
Worth it !!!

Curly hair and frizzy , love love love it . Made me crazy hair silky smooth .

7/26/2026
5.0
verified purchase
Best hair product I have ever used

Exceeded my expectations which hardly ever happens with hair products. I can’t say how long each treatment lasts because it has only been a couple of days but it works like a mini keratin treatment. I LOVE it!

5/28/2026
1.0
verified purchase
Not for Houston kind of weather

Not for Houston weather. I followed the instructions step by step and it doesn’t work. My hair is full of frizz as always. Don’t waste your time and money.

5/23/2026
4.0
verified purchase
Beautiful end results!

After using this product for a few weeks I noticed a slight difference! I mostly noticed my hair was less tangled and softer after blow drying it and using this treatment! One thing I did not like was the smell, if you leave it on your hair for it to dry on its own you can sometimes smell it. But I did like th end results it gave my hair’

5/1/2026
5.0
verified purchase
A must hace

I’ve been using this product for a while now and it honestly surprised me in a good way. From the first use my hair felt softer, smoother, and much easier to manage. I struggle a lot with frizz, especially in humid weather, and this really helped keep it under control without making my hair feel heavy or greasy. The texture is light and easy to apply, and it spreads evenly through the hair. What I like most is how it gives a polished look even without too much heat. When I do use a blow dryer, my hair looks shinier and more put together, almost like I just left a salon. It also makes detangling easier and leaves my hair feeling healthier over time. I’ve noticed my hair stays more disciplined throughout the day, which is a big plus for me. Overall, I would definitely recommend it if you’re dealing with frizz or just want a smoother, sleeker finish without losing movement.

5/1/2026
4.0
verified purchase
No more frizz

This product delivers the glossy. Look while still leaving my hair soft and touchable. It definitely controls the frizz. if you are struggling with the humidity, especially here in florida flyaways, or hair that takes forever to style, this line is worth trying. the only downside is it does weigh your hair down. Which is the only thing that I do not like. the smooth transformation is definitely what I was looking for. I definitely liked that. It is heat activated for additional shine. Humanity protection and frisk control. My hair definitely looks more smooth and shinier. And more manageable. when blow drawing my hair and straightening, it seemed to be a lot easier. It does not make my hair look greasy or anything like that. I definitely noticed a change. And the way my hair looks and feels. i would definitely recommend giving this product a try if you want to control the frizz And make your hair shiny and manageable.

9/8/2026
5.0
verified purchase
Attention skeptics: Buy this now!

I have color-treated wavy hair. I live in Florida and the humidity here does a number on my hair. I have tried just about every anti-frizz treatment out there and nothing has worked. I tried this today and it is miraculous. I will definitely buy this again.

8/30/2026