Keratin Alpha Sleek Professional sulfate-free* shampoo by L'Oréal Professionnel, formulated with Keratin-alpha shaper and Amino-acid chains. - The professional shampoo has a luxurious, ultra-creamy texture. - It gently cleanses the fiber while smoothing and reinforcing hair keratin. It softens and hydrates hair, bringing an instant shine, frizz & volume control. Suitable for all hair types. - Use full routine to transform hair for 2 weeks of smooth, frizz & volume control**. - This shampoo is sulfate free*, artificial colorant free, and alcohol free. *No sulfated surfactants. **Instrumental test after 4 applications of Keratin Alpha Sleek Shampoo + Smooth Transformer + Serum.
