Product Overview

L’Oréal Professionnel Serie Expert Keratin Alpha Sleek Professional Shampoo is a smoothing cleanser designed to control frizz, protect against humidity and improve manageability in unruly hair. Formulated with Keratin Amino-Acid Technology, the lightweight formula helps smooth the hair fibre surface while supporting long-lasting sleekness and shine.

The professional shampoo provides up to 72 hours of frizz control when used as part of the Alpha Sleek routine. Hair feels softer, smoother and easier to style after every wash.

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.

Laura loves this product because… it gently cleanses while helping maintain sleek styling results and humidity protection between treatments.