NEW

Keratin Alpha Sleek.

Transform hair for 2 weeks of smooth, frizz control.1

1 Instrumental tests after 4 applications of routine Shampoo + Smooth Transformer + Serum.

THE TECH

Keratin Alpha-shaper + amino acid chains.

Reprogramming hair by acting at Keratin Alpha level to smooth the fiber, and to control frizz and volume.
It delivers long-lasting, lively smoothness with natural movement, while preserving fiber integrity.​

KERATIN ALPHA SLEEK

Smooth Transformer.

  • Transform hair for 2 weeks of smooth, frizz & volume controlled hair1
  • Transforms hair for long-lasting smoothness while preserving hair integrity2
  • Controls frizz and volume2
  • Daily styling in half the time1
  • Instant shine2

1 Instrumental test after 4 applications of the routine Shampoo + Smooth Transformer + Serum
2 Instrumental tests

Keep your hair salon-perfect at home with our Keratin Alpha Sleek pro routine.

Before and after of a woman’s hair after an anti-frizz routine using L’Oréal keratin treatment products, revealing smoother, shinier hair.
Step 1: Cleanse

Sulfate-free Shampoo.

Cleanses and reinforces hair keratin.
Step 2.a : Anti-frizz

Smoothing treatment.

​Progressively smoothes hair for long-lasting frizz & volume control. Apply once a week for long lasting results.
Step 2.b : Moisturize

Mask.

Deeply nourishes & reinforces hair keratin.
Apply every other wash day of the week. 
Step 3 : Smoothness

Mirror sleek serum.

Heat protection up to 230°C.
Seals hair keratin for long-lasting smoothness.
Step 4 : Heat Activation

Airlight Pro or SteamPod.

Blow dry or flatiron to activate the formula.

Anti-frizz routine

Transform hair from unmanageable to Alpha Sleek.

Let’s get #AlphaSleeked with #KeratinAlphaSleek only by #LorealPro.

Shop now your Keratin Alpha Sleek hair care routine.

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