NEW
Patented Technology
Keratin Alpha Sleek.
Transform hair for 2 weeks of smooth, frizz control.1
1 Consumer test after 4 applications on 67 consumers.
New
Keratin Alpha Sleek.
2x less frizz.1
5x smoother hair.1
77% shinier hair.1
1 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
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.
[Step 1]
Sulfate-free shampoo.
95% less breakage.1
1 Instrumental test.
[Step 2a]
Mask.
61% more hydrated hair1
1 Instrumental test.
[Step 2b]
Smooth Transformer.
Transform hair for 2 weeks of smooth.1
1 Consumer test after 4 applications on 67 consumers.
[Step 3]
Mirror Sleek Serum.
Long-lasting smoothness, up to 10 washes.1
1 Instrumental test.
[Step 4]
Heat Activation.
To activate the smoothing technology, blow-dry completely or use a flat iron.1
1 Instrumental test.
Proof of superior performance.
Offers
Keratin Alpha Sleek.
Discover our exclusive Keratin Alpha Sleek offers.
1 Insert here a legal text if you need some on this section.
L’Oréal Access.
L'Oréal Access: the plateforme of education available 24/7 on all devices: desktop & app.