Smooth Transformer Keratin Alpha Sleek Professional Anti-Frizz Treatment from L'Oréal Professionnel , formulated with Keratin-Alpha Shaping Agent and amino acid chains. Transforms hair: smoothness and frizz control for up to 2 weeks*** . Suitable for all hair types.

This professional anti-frizz treatment transforms hair, leaving it 5 times smoother, with 2 times less frizz, and volume control.** Hair is instantly 77% shinier.** Cuts styling time in half.* Hair integrity is preserved.**

Benefits:

70% of women said they had never before experienced this level of smoothness and that their hair had never been so disciplined and manageable. 82% said it had never taken them so little time to style their hair.

Smooth Transformer contains no artificial colors or alcohol.

*Instrumental test with a routine of 4 applications of Shampoo + Smooth Transformer + Mirror Sleek Serum.

**Instrumental tests

***Test conducted on 67 consumers after 4 applications.

How to use:

Smooth Transformer is a progressive anti-frizz treatment. The more you use it, the better the results.
Use once a week after shampooing. Best results are achieved after 4 weeks. Alternate with our hair mask on other wash days of the week.
Shake well before use.
Divide the hair into 2 sections and apply evenly from mid-lengths to ends in each section.
Use 30 to 50 grams depending on the thickness and length of your hair.
Leave on for 10-15 minutes and rinse.
Complete the routine with the Keratin Alpha Sleek serum.
To activate the softening technology, dry completely with a hairdryer and use an iron.

EAN: 3474637335533
Hair: All hair types
Formulation: Alcohol Free
ingredients: aqua / water / eau, cetearyl alcohol, cocos nucifera oil / coconut oil, behentrimonium chloride, isononyl isononanoate, cetyl esters, parfum / fragrance, ethanolamine, isopropyl alcohol, cysteine, dimethicone, hydroxyethylcellulose, phenoxyethanol, sodium metabisulfite, amodimethicone, ascorbic acid, trideceth-10, trisodium ethylenediamine disuccinate, peg-100 stearate, rose ketones, steareth-6, taurine, trideceth-3, glycerin, butylene glycol, disodium phosphate, acetic acid, polysorbate 60, sodium phosphate, carbomer, sodium lactate, polysorbate 20, palmitoyl tripeptide-1, palmitoyl tetrapeptide-7 (f.i.l. n70068431/1).

The ingredient lists for our products are updated regularly. Please refer to the ingredient list on the packaging before using the product.

Brand Safety Warning

For external use only. In case of contact with eyes, rinse with water and keep out of reach of children.

Legal information of the brand

L’Oréal Professionnel, 14, rue Royale, 75008, París
https://www.loreal.com/es-es/espana/
corpes.contacto.loreal@loreal.com

Assessment L'Oréal Professionnel Paris - KERATIN ALPHA SLEEK progressive treatment

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Virginie

02/06/2026

Favorite range since its launch

A major revolution for this brand that I’ve been using for years. I love this new range!

Translated by Google

Gender: Woman

Age: More than 50 years old

Country: France

Has been using this product for: Less than 6 months

Hair type:

Dry, Blonde, Dyed hair, Hair highlights

Virginie recommends this product

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L'Oréal Professionnel Paris KERATIN ALPHA SLEEK progressive treatment

Anti-frizz treatment - Keratin treatment - Hair products - Shiny hair treatment

Assessment L'Oréal Professionnel Paris - KERATIN ALPHA SLEEK progressive treatment

Reviews L'Oréal Professionnel Paris - KERATIN ALPHA SLEEK progressive treatment