CHI Keratin Reconstructing Shampoo 355 ml Replenishes and protects hair’s natural keratin protein, improving elasticity and preventing future breakage, while adding intense hydration that restores softness and shine. Free from paraben & sulfate. Made in USA.It is the best product for hair care . How to use: Apply a generous amount of CHI Keratin Shampoo into wet hair. Work through hair evenly from scalp to ends. Rinse and repeat if desired