Product Overview 

Keratin Alpha Sleek Professional Sulfate-free¹ shampoo by L'Oréal Professionnel, formulated with Keratin Sleeker and Amino-acid chains. The professional shampoo has a luxurious, ultra-creamy texture. When used with the full routine, it reprograms hair for up to 2 weeks of frizz control.² This sulfate-free¹ shampoo gently cleanses the hair fibre while smoothing and reinforcing hair keratin. It controls unwanted volume for daily styling in half the time ³, adding softness and instant shine that lasts up to 5 days.⁴ The gentle formula helps to protect hair from breakage and improves the hair’s softness from the first use⁴. Suitable for all hair types. ¹No sulphated surfactants. ²Consumer test on 68 participants, 1 application/week for 4 weeks. Based on a 15-day break observation. ³Instrumental tests with routine 4 times of Shampoo + Smooth Transformer + Leave-on. ⁴Instrumental test after 1 application of shampoo, mask & serum.

How To Use 

• -Apply evenly on wet hair.
• -Lather until a rich foam is obtained.
•  -Rinse. In case of contact with eyes, rinse immediately and thoroughly.
•  -Follow with Keratin Alpha Sleek Smooth Transformer once a week for long-lasting smoothness for up to 2 weeks of frizz control¹ .
•  On other wash days of the week, use our professional mask instead of Smooth Transformer.
• ¹Consumer test on 68 participants, 1 application/week for 4 weeks.
•  Based on a 15-day break observation.