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NEW

Keratin Alpha Sleek.

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

SHOP NOW

1Instrumental test after 4 applications of the Smooth Transformer + 10 shampoos.

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New

Keratin Alpha Sleek.

2x less frizz.1
5x smoother hair.2
77% shinier hair.3

Discover more

1 Instrumental test.

2 Instrumental test.

3 Instrumental test.

    NEW

    Keratin Alpha Sleek.

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

    DISCOVER YOUR LAUNCH PROMOTION

    1Instrumental test after 4 applications of the Smooth Transformer + 10 shampoos.

    L'Oréal Professionnel - Img Banner

    New

    Keratin Alpha Sleek.

    2x less frizz.1
    5x smoother hair.2
    77% shinier hair.3

    Discover more

    1 Instrumental test.

    2 Instrumental test.

    3 Instrumental test.

      NEW

      Keratin Alpha Sleek.

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

      DISCOVER YOUR LAUNCH PROMOTION

      1Instrumental test after 4 applications of the Smooth Transformer + 10 shampoos.

      L'Oréal Professionnel - Img Banner

      New

      Keratin Alpha Sleek.

      2x less frizz.1
      5x smoother hair.2
      77% shinier hair.3

      Discover more

      1 Instrumental test.

      2 Instrumental test.

      3 Instrumental test.

        Performance

        Elevate Your Salon Retail with Keratin Alpha Sleek.

        Suitable for all hair types, it delivers softness and hydration, bringing instant shine, frizz & volume control.1

        Shop now

        1 Instrumental test after 4 applications on the routine Keratin Alpha Sleek Shampoo + Smooth transformer + Mirror Sleek Serum.

        Patented professionnal technology

        Keratin Alpha-shaper + amino acid chains.

        Formulated with Keratin-Alpha shaper and Amino-acid chains.

        These active ingredients help reprogram hair at keratin alpha level, smoothing the hair fiber while preserving the fiber integrity.

        Keratin Alpha Sleek at home routine.

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        [Step 1]

        Sulfate-free shampoo.

        95% less breakage.1

        1 Instrumental test.

        Discover

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        [Step 2a]

        Mask.

        61% more hydrated hair1

        1 Instrumental test.

        Discover

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        [Step 2b]

        Smooth Transformer.

        Transform hair for 2 weeks of smooth.1

        1 Consumer test after 4 applications on 67 consumers.

        Discover

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        [Step 3]

        Mirror Sleek Serum.

        Long-lasting smoothness, up to 10 washes.1

        1 Instrumental test.

        Discover

        L'Oréal Professionnel - Img product

        [Step 4]

        Heat Activation.

        To activate the smoothing technology, blow-dry completely or use a flat iron.1

        1 Instrumental test.

        Discover

          Proof of superior performance.

          > Video YouTube uUBK2VREXuw
          > Video YouTube 3xYUPEIrVr4
          > Video YouTube Lh7Rzaknqn8

          Offers

          Keratin Alpha Sleek.

          Discover our exclusive Keratin Alpha Sleek offers.

          Shop now

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